Ford 1.0L EcoBoost Engine

This engine can be found in top selling models with huge presence in most European countries. The United Kingdom stands out with over 700,000 vehicles equipped with the EcoBoost petrol engine with wet belt, making it the country with the highest number of these vehicles in Europe.

The Ford Fiesta 998cc 74kw engines SFJA/SFJB/SFJC/SFJD and the Ford EcoSport 998cc 92kw engines M1JC/M1JJ/M1JU are the top-selling vehicles of this type in Europe, with over 500,000 vehicles.

The BBC’s consumer show Watchdog has been reporting problems associated with Ford EcoBoost engines for a while now. Recently, in February 2024, Watchdog pointed out that Ford issued a recall notice in December 2023 for certain EcoBoost models, including older Ford Focuses, due to a problematic wet belt. The recall notice related to this kind of problematic wet belt, which will be fixed at no cost to owners.

Download | Dolz Tech Article 1.0 EcoBoost

Common consequences of a wet belt issue

Watchdog reported two typical cases as examples:

1. Katie and Kieran who bought a £14,995, 2019 Ford Focus in February last year with 50,000 on the clock. Despite maintaining its full-service history, the car unexpectedly broke down in December last year.
   “All of a sudden, I got a warning light appear on the dashboard. The power just dropped” he said.
2. Nataly, whose 7-year-old, 52,000-mile Ford Focus, with a fully serviced EcoBoost engine, also lost power on the motorway. The breakdown service again suspected a wet belt issue, and the car was delivered to Ford for the engine to be replaced at a cost of £5,620.50.

Ford Ecoboost 1.0 Wet Belt Problem Assessment

The issue at hand has been extensively researched and not only affects to the Ford EcoBoost 1.0L. It extends to all engines that have implemented the wet timing belt system, such as those found in PSA’s PureTech engines.

The introduction of the wet belt in the timing system dates back to 2007. One of its key advantages over a conventional belt system is the significant reduction in friction between the timing belt teeth and the pulley gears. This is due to the fact that oil has a lower friction coefficient than rubber, resulting in less wear and improved performance. Achieving 2.5% less fuel consumption compared to a standard timing system.

Traditionally, oil and belts have been seen as an incompatible pair. However, in this case, it’s not exactly like that. Wet timing belts are specifically designed to achieve a good behavior and performance when the contact with engine oils. The problem is not the oil, the real issue lies in the petrol!

Now, let’s dive into the specific explanations:

When examining the piston head diameter, it’s important to note that a slight variation of 0.4 mm can occur between temperatures of 20ºC and 200ºC.

What does it mean?

This variance indicates that when the vehicle is still cold, there is a potential for petrol to seep over the piston heads into the lubricating system and can lead to a small amount of petrol mixing with the oil.

So, in this point is where issues arise with wet belts, as their behavior when in contact with petrol is less than ideal. Over time, these belts start to degrade, especially on the outer surface.

Oil pumps, as we know, play a crucial role in the engine’s performance by continuously circulating oil from the sump pan to vital engine components. So, in this point, the particles from the degraded belt can mix with the oil and flow into the engine.

The problems at this moment are:

1. Timing belt particles degraded due to the constant contact with oil and petrol mix act as debris within the system, accumulating at the end of the sump pan. Eventually, these particles are drawn into the pick-up pipe, blocking the entrance, and leading to a loss of engine pressure and inadequate lubrication, with the corresponding catastrophic consequences.
2. Degradation of the timing belt can ultimately lead to timing belt breakdown resulting in potential engine damage due to the misalignment between the valves and head piston movement.

What has made OE to solve the problem?

Apart of the recall in the USA and the cost-sharing initiative in Europe, OE manufacturers have taken the proactive step of reducing the timing belt replacement interval.

Specifically, for the Ford Fiesta EcoBoost mentioned earlier in this article, it was originally recommended to change the timing kit at 150,000 miles. However, a precautionary measure was later advised for a replacement at 100,000 miles.

Expert Advice: Dolz’s recommendations to avoid major problems with timing belt in oil

In addition to following Ford’s recommendation of using 05W20 oil and changing the timing belt every 12,000 miles, Industrias Dolz recommends taking extra care by regularly checking the carter and inspecting the wet belt and oil pump inlet every two oil changes. It is crucial to address any belt degradation promptly by cleaning the oil pump inlet and replacing the timing kit to ensure optimal performance and longevity of your vehicle.

Neglecting to replace the wet belt as recommended could lead to significant consequences for your engine, especially if the vehicle is predominantly used for short trips or driven infrequently.

Why choose DOLZ timing belt kits?

Dolz offers two timing kits, KD177IO and KD178IO, specifically designed for Ford 1.0L EcoBoost engines. And the reference SKD179IO for Ford PureTech 1.0/1.2L engines.

The Dolz wet belts are designed to last, with innovative cutting-edge materials, high robustness, and proven reliability. That’s why the latest wet belt design features a reinforced compound with a PTFE white layer on the teeth fabric, providing enhanced resistance to potential diesel fuel contamination in the oil:

• Resistance insert (E-glass/ K-glass/ Hybrid).
• Compound body (HNBR, fiber loaded).
• Tooth covering fabric (Nylon HT, Ny+Ar, full Aramid) + PTFE skin.

DOLZ, a member of Litens Automotive Group, offers competitive timing belt kits for a wide range of applications. Our kits include everything needed to carry out a complete engine timing belt kit and water pump replacement.

Make sure to subscribe to our monthly newsletter to read more posts like this!

La entrada Timing Belt in Oil for Ford EcoBoost 1.0L se publicó primero en Industrias Dolz.

Top causes of serpentine belt failure:

• Age and Wear: Over time, serpentine belts can wear out naturally. Even when it’s not in use, it is still exposed to the atmosphere and is degrading. Also, environmental factors such as extreme heat and the exposure to friction and tension can cause the rubber to become brittle and crack.
• Misalignment pulleys or tensioner: If the belt is not properly aligned on the pulleys, it can wear unevenly or slip off entirely, leading to its premature failure. This situation usually happens if some of the components have been previously removed, replaced, and not returned in to place properly.
• Incorrect Tension: There’s a lot to be said about the damage that can be caused from the incorrect tension. If the belt is too tight or too loose, it can wear out prematurely. This is critical to its proper functioning: If it’s too loose, it will slip, leading to the underperformance of engine accessories and causing all sorts of problems. If it is too tight can put unnecessary stress causing them to wear out faster.
• Fluid Leaks: Coolant, power steering fluid, or oil leaks can also affect the belt causing slipping and damage to the belt surface. This may result into power steering or water pump not working.
• Worn or damaged Components: If the air-conditioning compressor, the power steering pump, the water pump, or the alternator, driven by the serpentine belt, become faulty, this will affect directly to the belt leading to premature failure.

How to prevent serpentine belt failure?

There are many ways to prevent a serpentine belt failure. One is to keep the engine bay clean and well lubricated. But take into account not to be tempted to apply any lubricant to the belt which will cause it to slip. Besides, it is important to check the tension of the belt to make sure that it’s in perfect condition.

Check your vehicle’s owner’s manual and find out when your recommended car maintenance services should be scheduled. We always recommend service replacement schedules to protect the engine and safe operation of the vehicle.

Also, pay attention for key warning signs of a failing serpentine belt, including:

• Squeaking or chirping noise from under the hood of the car.
• Engine light or battery light signal on your car dashboard.
• Air Condicioning isn’t working.
• Power steering isn’t working.
• Engine overheating.

Maybe you are interested: What does a car’s auxiliary drive belt do and why should you care?

Final Thoughts

It is essential to understand that all components of the auxiliary drive system must work optimally together.

To summarise, the most common cause is age-related cracking. Practically, every part in a vehicle would fail after a long time. That is why you need to keep up with maintenance and servicing to keep every component in good shape.

If you keep having problems with your serpentine belt, it’s best to take your car to a mechanic so they can diagnose the issue and fix it.

All in all, do regular maintenance, early detection and use quality spare parts are critical to extending the life of your auxiliary drive system and contributes significantly to the overall health and performance of your car.

About DOLZ

DOLZ is an Automotive Aftermarket parts manufacturer that has been providing top-notch, OE-equivalent parts for passenger cars, trucks and commercial vehicles since 1934. With nearly 90 years of knowledge and experience, our presence has now expanded to more than 70 countries around the world.

Get in touch with us if you’ve run into any of the issues mentioned above and obtain personalized advice to choose the best option for replacements.

La entrada Top 5 causes of serpentine belt failure se publicó primero en Industrias Dolz.

It is one of the most important components of a vehicle. If it is damaged or broken, it can lead to serious damage to the engine, so it is essential to know and check its condition.

In today’s article we answer some common queries about the timing belt service and when the replacement is necessary.

Timing belt or timing chain: what does my car have?

Depending on the kind of car you have, your setup will either have a timing belt or a chain.

The easiest way to find out if your vehicle has a timing chain in its distribution or, on the contrary, your engine is driven by a timing belt, is to check if there is a plastic cover on the side of the engine or not. If so, the engine is fitted with a timing belt. If there is no plastic cover then it has a timing chain.

Although both elements are in constant development, most modern vehicles are now fitted with a timing chain rather than a timing belt. Both perform the same function, connecting the camshaft to the crankshaft, but they differ essentially in their materials.

The chain is made up of small metal links while the timing belt is made of rubber. Hence the chain mechanism is more durable and subject to less wear.

Timing Belt Service Timeline: replacement recommendations

Replacing the belt at the manufacturer’s recommended interval is essential to ensure the engine lifespan. At Dolz we always point that preventive maintenance is a much cheaper job than mandatory maintenance.

If the timing belt drives the water pump, it is 100% recommended not only to replace the timing belt, but also the water pump and other associated parts such as the tensioner, idlers, or pulleys, due to water pump and the timing belt replacements are two of the most common operations in a workshop.

When replacing the timing belt there are some aspects such as belt tension, alignment of timing marks and the associated parts may be unnoticed. Therefore, some of the indications to consider during the replacement are:

1. All-inclusive kit.

By purchasing all the necessary parts that you need for the assembly (the timing belt, the pump, the seal, the idlers, the nuts…), you will ensure that all components are perfectly matched to ensure optimum performance.

2. Alignment of timing marks.

Be sure to align the timing marks following the original manufacturer’s service recommendations. The proper mesh of the two timing gears assures proper relationships between the valves and pistons.

3. Flush the cooling circuit.

Once you have removed and replaced the timing components, all that remains is to flush and refill the cooling system with the right coolant.

It is really important to know that under no circumstances should the engine be started without first filling the circuit, as this ‘dry function’ would cause the elements of the mechanical seal of the water pump to degrade. On the other hand, it is essential that the coolant meets the characteristics required by the manufacturer (otherwise it can directly damage the entire system and the engine).

How to check your timing belt

In general, most timing belts are housed behind protective covers and engine parts, because of this, perform a visual inspection of the belt is not an easy task.

During the visual inspection, first of all, examine the outside of the belt. If you detect that it is frayed, visibly worn or cracked on either side of the belt, it is time to replace it.

Another key point is found in the tension of the belt. If the tensioner fails, certain problems will arise whether the timing belt is too tight or loose, directly affecting the timing service of the crankshaft and camshaft and prematurely wearing the timing belt.

Signs of a worn-out timing belt

In addition to visual inspection, there are some signs to look out for that will help us diagnose a problem with the timing belt. Among the main warning signs are:

• Engine doesn’t start.
• Oil leak under the hood.
• Engine misfires.
• A loss of power or acceleration.
• ‘Ticking’ or squealing sound.

If you notice any of these indicators, it is essential that you go to your trusted workshop as soon as possible to carry out a professional replacement and thus prevent engine damage.

Related content: Unboxing: Timing Belt Kit DOLZ (KD153V)

Dolz Timing Belt Kits, your complete solution

DOLZ Kits have been designed for the most popular applications in Europe, ensuring a professional replacement and providing premium timing belt kits; 100% tested that meet all OEM performance requirements:

• Timing belt: exceptional resistance to abrasion; resulting in extended pulley and belt life and a high resistance to oil and engine heat.
• Idlers: high-quality raw materials and grease to ensure the highest efficiency.
• Water pump: manufactured with a silicon carbide seal. It is designed following the original specifications.

With two options available: kits with the water pump included (KD) and an option without the water pump (SKD), both alternatives are guaranteed for 2 years from date of purchase or 80.000 km.

Still have questions about your timing belt? Our team at Dolz is ready to help you. Contact us for tailored advice on choosing your best option for your timing belt replacement!

La entrada Timing Belt Service Guide: Tips, Techniques and Best practices se publicó primero en Industrias Dolz.

In today’s article, we will learn how it works, the different types that we find on the market and the importance of this key element for the accessory drive system.

How does a belt tensioner work?

As we have seen in previous articles, the auxiliary drive belt transmits rotational energy from the engine crankshaft to all engine accessories.

What happens is that, during the operation of the auxiliary drive system and as our vehicle’s engine speeds up and slows down, the belt can stretch or even lose some tension, hence the importance of the tensioner pulley within this system.

The aux drive tensioner or serpentine belt tensioner is, therefore, an element responsible for exerting a regulated amount of pressure/tension on the belt and thanks to this the belt can rotate all those pulleys as needed.

Potentially, its main function is to guarantee that the auxiliary belt has the optimum tension, although among its basic functions we also find:

• Maintain the correct and tight tension on the pulley by compensating for any possible loss of tension in the auxiliary belt.
• Maintain correct alignment with the rest of the accessory belt drive system.
• Avoid slipping and vibrations that cause premature wear of the elements and that avoid fatigue in the auxiliary belt.
  

Keep learning: Understanding the Drive Belt Tensioner

Main types of drive belt tensioners

As auxiliary drive belts with poly-V belts, tensioners have also been upgraded in recent years. The two most common types of tensioners in the auxiliary drive system are hydraulic tensioners and mechanical tensioners, the last one being able to be manual or automatic. Let’s see its characteristics below:

Mechanical Tensioner

This type of tensioner can be subdivided into manual tensioners, where the mechanic will be in charge of providing the correct prescribed tension manually, and automatic tensioners.

Automatic tensioner is the most common tensioner on the market. This tensioner is characterized by the fact that it adjusts itself according to the need of the moment and its working conditions.

It has a spring located inside with an oscillating arm that maintains pressure on the belt and moves always keeping the strap in place.

Hydraulic Tensioner (with hydraulic shock absorber)

In this case, the hydraulic tensioner is based on a hydraulic shock absorber that stands out for its high performance, exerting precise tension and dynamic behavior. It can operate with a larger range of dynamic belt lengths than mechanical tensioners. 

These tensioners have an arm and a roller at the ends, and it is through the hydraulic element with an integrated pressure spring that they achieve the necessary belt tension.

Belt tensioner failure signs

A damaged or faulty tensioner will directly affect the performance and functionality of the auxiliary drive belt and will cause the entire system early failure. In general, a tensioner that does not work as it should show some warning signs. Among the most common signs and causes are:

1. Squeaking noise or unusual noise when starting the engine or during operation when the steering is turned all the way to one side. If the tensioner is loose and not exerting pressure, aux belt can squeak.
2. Accessories failure. If any of the engine accessories such as the alternator, air conditioner compressor or power steering are disengaging, this may be caused by a bad or faulty tensioner.
3. Premature aux belt failure. If you notice unusual wear on the serpentine belt, such as frayed edges or cracks in the belt itself, this is due to a malfunction of the drive belt tensioner.

Keep learning: Top 5 causes of serpentine belt failure

Too often, when the auxiliary belt shows signs of aging and needs to be replaced, it is overlooked to inspect the well condition and function of the other elements, including the drive belt tensioner. This error can cause premature wear of the serpentine belt and a new replacement operation.

All components are subject to stresses and wear, so during the auxiliary belt replacement process, it is highly recommended replace all components at the same time. This ensures optimal operation and longer lasting performance.

Dolz Kits, the most competitive kits on the market

Industrias Dolz has a complete range of Auxiliary Drive Belt Kits, designed following the experience of original manufacturers such as Audi, Volkswagen, or Renault to guarantee the best engine performance and the greatest comfort.

These kits include all the necessary components for a professional repair, that is, all in one package: poly-V belt, tensioning rollers, inversion and all the necessary accessories depending on the vehicle application.

For further information on any of our product lines, commercial information, or technical product specifications (including replacement guidelines) you can contact us here.

La entrada Knowing in depth the serpentine belt tensioner se publicó primero en Industrias Dolz.

Nowadays, new environmental regulations and higher electrical demand push manufacturers to reduce the power losses of their engines, generating a challenge to the FEAD system functioning.

Specifically, the car’s auxiliary drive belt is a component that is often overlooked as a source of mechanical issues in aging vehicles. But even if an old serpentine belt looks good, the truth is that it has a limited lifespan, so replacing it with a new belt can save you money in the long run.  Thankfully, there are ways to improve the lifespan of the FEAD system.

Read about these methods of improvement below.

Understanding the front-end accessory drive components

In automotive accessory belt drive systems, the crankshaft delivers mechanical power to critical engine accessories. That is the alternator, the power steering pump, the A/C compressor, and (sometimes) the water pump.  As the belt needs to be really quite long you’re also likely to find an idler pulley, and/or a tensioner pulley in the mix.

• The poly-V belt is a composite made of elastomeric material layers, generally EPDM rubber, and a cord layer (fiber) and is used to drive the alternator and water pump by transmitting power from crankshaft pulley.
• Idler-pulleys are often used in this type of transmission to increase the wrap angle around the pulleys and are available in various shapes and sizes depending on the application.
• The pulley systems on modern engines typically use an automatic tensioner. The tensioner is a self-tensioning device that applies tension to the aux belt, helping keep it taught in the various operating conditions. Also preventing it from slipping or jumping off other components.

Auxiliary System Maintenance Tips

Proper front-end accessory drive maintenance is important to keep equipment running as efficiently as possible and to keep the various drive components from wearing prematurely. Here are some maintenance tips to ensure your system is in tip top condition:

1. As for when you need to replace these belts, there’s no hard-and-fast rule. It varies depending on the vehicle and the conditions under which you drive. But formost cars, it’s recommended that you get the serpentine belt inspected once your car reaches 60K miles. So, perform maintenance as scheduled with the vehicle manufacturer and replace components before they wear out and cause further damage to the vehicle.
2. Inspect the system to make sure all components are aligned. Use a laser alignment to ensure proper alignment.
3. Inspect belt and pulleys for signs of wear. Checking for cracks, fraying, splits or worn spots. Also, listen for unusual noises such as a chirping or squealing sound.
4. The tension of your serpentine belt is a critical factor in its performance and longevity. So, check the belt tension: it should be tight, with little or no give.
5. Replace all FEAD components at the same time. This helps prevent comebacks, reduces noise issues, and enhances overall system performance. In fact, replacing the belt alone rarely solves the customer complaint.

With these easy tips, you can maximize the lifespan and performance of your auxiliary drive system. Don’t forget to consult your vehicle’s manual or seek professional advice for specific maintenance procedures.

As we have pointed out on previous occasions the most obvious symptoms of failure of the auxiliary belt system are steering hardening, vehicle battery or A/C failure or humming in the engine. For this reason, it is important that you must be able to identify the signs of a defective FEAD system due to its importance to the functioning and comfort of your car.

Related content: Auxiliary Drive Belt Tensioner for hybrid applications: DOLZ SKD250A

DOLZ Auxiliary Drive Kits

In order to make your life easier and to secure effortless replacements, each OE-quality auxiliary drive belt kit includes all application-specific components needed to complete a front-end accessory drive (FEAD) system repair. All in one single package:

• V-ribbed belt or auxiliary drive belt
• Pulleys and idlers
• Drive tensioners
• All the necessary accessories when needed.

If you require any further information on any of our product lines, receive commercial information or technical product specifications (including assembly notes) don’t hesitate to contact us as we’ll be glad to be of help.

La entrada Quick Guide to Front-End Accessory Drive System performance se publicó primero en Industrias Dolz.

Water pump location

Depending on the configuration of each application, mechanical water pumps can be housed outside/externally on the engine or flanged directly on the engine block.

• Externally on the engine:

The water pumps that are housed outside the engine are driven by a belt that normally also drives other auxiliary groups such as the alternator or the vehicle’s air conditioning compressor. That’s why the power transmission is carried out using poly-V belts or multi-ribbed belts.

• Flanged directly on the engine block:

When the water pump is on the engine block, it is normally driven by a timing belt. Most water pumps are housed there and, although their structure is usually less complex, generally due to the place where they are located, a greater effort is required during their replacement. Here’s why: the water pump isn’t easy to get at, to access them it is also necessary to disassemble the belt of distribution.

Water pump drive: Belt Drives & Types of Belts

Must be remembered, as we have seen in previous posts, each of the components in mechanical water pumps plays a very important job in its operation. When talking about the drive, it is necessary to explain the role played by the pulley in transferring the movement of the belt to the axis of the bearing.

Specifically, if the water pump pulley becomes loose or fails, it can cause problems with the cooling system, such as overheating. And conversely, if the pulley is not attached to the water pump shaft, it must be screwed onto the water pump plate. Therefore, if we talk about a water pump, we also must talk about how it is driven and who activates it, due to not all water pumps are designed equal in terms of drive and rotation.

Depending on where they are fitted, the water pumps are usually driven via V-belts, gears, or poly-v/ribbed belts. To do this, we will first differentiate between a mechanical pump and an electric water pump:

The mechanical water pump takes the energy from the engine itself and can be driven by the multi V-belt, by the V-belt or by a toothed belt. Its speed being directly linked to the speed of the engine itself.

On the other hand, the electric water pump is completely unrelated to engine speed. The difference with a mechanical pump is that rather than being driven from a belt off the crankshaft, it is driven by an electric motor, adjusting the power of the pump based on the needs of the system.

Types of belts

Depending on the engine in each vehicle, each water pump corresponds to one or the other type of belt system, hence the profile of its pulleys is of one type or another.

Here is a brief explanation of the types of belt that can drive the water pump:

• V-belt

V-belts are belts with a trapezoidal cross-section. With permanent contact of the V-section of the belt with the water pump pulley, tension is key to optimal performance. In current vehicles, it is a belt that is rarely used to move water pumps (engines used this type of belt but slowly evolved to toothed belts).

• Toothed belt

Most current are toothed belts. Force is transmitted via the teeth without slip and over time, a variety of tooth profiles have established themselves. The water pump, power steering pump, alternator, air conditioning… are powered by a single belt, with very low friction. Unlike with the V-belt, the tension is not so important.

The teeth of the belt mesh with both the crankshaft and camshaft(s), thereby synchronising their motion.

As regards the water pump, it can work on the smooth part or on the toothed part of the timing belt.

• Multi V-belt/ribbed belt

Poly-V belts are typically used in accessory systems. With this type of belt, the tendency for V-belts to “flip over” in the pulley groove is eliminated, and it is also much easier to maintain and replace.

With a large number of V-shaped longitudinal ribs, the multi poly-V belt has the advantage of its reduced thickness and weight, so it is very flexible. Besides, increases belt life and mechanical efficiency.

Besides, consume less engine space as it’s only a single belt running past and powering all the necessary engine accessories, including in some cases the water pump.

Maybe you are interested: SKD250A: Auxiliary drive Belt tensioner for hybrid applications

About DOLZ

Dolz provides a comprehensive solution by supplying with each water pump all the necessary components for mounting (gasket, bolts, etc.) ensuring that proper operation is achieved, minimizing the possibility of breakdown and wear after replacement.

Do you need spare parts? Do you have doubts about our product lines? Don’t hesitate to contact our team by sending an email to dolz@idolz.com.

La entrada Understanding the water pump drive: Exploring its location and operation se publicó primero en Industrias Dolz.

Dolz has launched the Auxiliary Drive Kit SKD250A suitable for hybrid vehicles equipped with a DW10 HY Hybrid engine and a BSG (belt start generator) system.

In this article, we focus on the operation of the auxiliary drive belt tensioner of this kit and its features. Keep on reading to find out more.

Auxiliary drive belt tensioner

As mentioned earlier, the drive belt tensioner is a high precision element designed, as its name suggests, to optimize the tension of the accessories belt and prevent future breakdowns in the other elements such as the alternator or the water pump. It also dampens vibrations caused by changes in engine load or auxiliary drives.

This new DOLZ tensioner allows the accessories belt to be maintained with the correct tension in both BSG system operating modes, both in its standard function where the poly-V/serpentine belt drives the alternator, and in the starting mode of the engine.

BSG (Belt Starter Generator) System

The BSG (belt-starter generator) system is designed to enable alternator torque to be transmitted alternately, in different directions. Through the poly-V belt, enables start-stop functionality, energy recovery when coasting or braking, and allows reducing fuel consumption and emission of CO2 by improving the alternator efficiency.

Thanks to its design, can take advantage of the different acceleration phases. So, when the vehicle is in energy recovery, the BSG operates as a generator that provides reverse power flow back to the battery.

Tech Info on how to replace the accessories belt drive system: Auxiliary Drive Kit assembly, step by step.

SKD250A Kit: Advantages of Drive Belt Tensioner

This poly-V belt tensioner is characterized by its dynamism, since it can optimize and adapt the tension based on the demands of the engine. As engines have grown more powerful, their energy requirements have increased as well. That’s why more complex components are required, capable of responding to current demands. Therefore, among the main advantages offered by the new DOLZ auxiliary belt tensioner we find:

• Designed to reduce both vibration and friction.
• Reduces belt wear while extending belt lifespan.
• Reduces polluting emissions and consumption.

At Dolz we work to provide our customers with this competitive advantage by accessing our high-quality Auxiliary Drive Kits.

Designed to ensure great engine performance, they follow premium standards from original manufacturers such as Audi, Volkswagen, or Renault and include all the necessary components for a professional repair, that is all components are delivered in one package: V-ribbed belt or auxiliary belt, pulleys and idlers, drive tensioners all the necessary accessories depending on the vehicle application. Don’t forget it, we recommend to always check and replace, whenever necessary, all drive components, for the best maintenance activity.

Alternator pulley function plays a crucial role in ensuring the smooth operation of the alternator and efficient energy transfer, which is important for maintaining proper system performance, especially in hybrid and high-efficiency engines.

Get in touch with us to learn more about our quality standards and proven benefits of our auxiliary drive belt kits.

La entrada Auxiliary Drive Belt Tensioner for hybrid applications: SKD250A se publicó primero en Industrias Dolz.

Keep reading to find out more about these issues, how to prevent future breakdowns and what you can do to ensure top performance.

Common drive system issues

1. Belt wear: over time, belts can become worn or stretched, which can cause the drive system to malfunction. This wear depends on different factors, including wear to the shoulders of the belt due to the misalignment of the pulleys or wear on the back, generally due to one of the components blocking.
2. Pulley misalignment: pulleys must be perfectly aligned with the belt to run correctly. If these components are misaligned or during installation they are not assembled as recommended by the manufacturer, they can be damaged, affecting the associated components.
3. Improper tension: poor tension may allow the belt to slip and squeal, and on the contrary if the belt tension is too high, it will cause excessive loading, causing damage to the pulley bearings.
4. Oil contamination: as the complete system relies on oil to lubricate the components and prevent wear, oil contaminations with debris or sludge can cause damage to the components, leading to poor engine performance and potential failure.
5. Water pump failure: the engine water pump is often connected to the belt and can cause issues if it fails, leading to significant engine damage.

Drive belt misalignment

A misaligned accessory belt can cause vibration or screeching noises. In fact, this noise can be the first that indicates or diagnoses belt alignment problems.

The consequences of belt alignment

• Uneven belt wear: misalignment can cause the belt to wear unevenly or to develop cracks, leading to premature failure.
• Belt slippage: misalignment can cause the belt to slip off its pulley, resulting in reduced power transfer and system inefficiency.
• Reduced system efficiency: it gradually reduces belt performance by increasing wear and fatigue, resulting in increased energy consumption.

To avoid this, regular inspections and maintenance checks by professionals can help in preventing drive misalignment issues. This is the most effective way to save you money and avoid problems in the long run. The frequency of your replacements will depend on many factors, including the age of your current belt, the distance travelled and the model of your car.

The two most common types of pulley misalignment

Misalignment is one of the most common causes of premature belt failure. That’s why during fitting pulleys should not be any awkward corners or angles during alignment as these can cause twists in the belt.

There are two major types of misalignment, parallel and angular. When parallel, the pulleys may be out of plane, misplaced, or their shafts may be parallel. While in angular misalignment the pulleys are within the drive system plane but are tilted because their shafts are not parallel.

Keep reading: Buying Guide: Timing Belt Kits

Benefits of pulley and belt alignment

Understanding the common issues found with belts and knowing how to prevent them, can help improve the up-time and reliability of your belt drive applications.

Correct belt alignment is essential for the efficient operation and longevity of a vehicle’s mechanical systems. As such, correct pulley and belt alignment translates into the following benefits:

1. Improved efficiency: properly aligned belts operate more efficiently, reducing energy consumption and improving overall system performance. The result is better fuel economy and a reduction in operating costs.
2. Increased belt and pulley life: proper alignment forces help reduce wear and tear on belts, prolonging their lifespan and reducing maintenance costs.
3. Reduced premature system damage: proper alignment helps reduce the risk of damage to other drive components.

Got questions? It’s better to be safe than sorry. A faulty drive belt may easily result in damage or extra downtime.

At Industrias Dolz, with our decades-long experience we guarantee the highest quality and mechanical efficiency, as well as compliance with the strictest quality standards. Take a look at our e-Catalogue kits to look through our references for DOLZ Kits or get in touch with us for personalized advice.

La entrada The importance of pulley and belt alignment se publicó primero en Industrias Dolz.

As the car accessory belt becomes more relevant in engines today, the importance of understanding this component also grows. This is why we’ve compiled a brief guide on this common part found on cars, including the most frequently asked questions.

What Does The Accessory Belt Do?

Also commonly referred to as drive belt, the accessory belt is in charge of powering a series of components within a vehicle’s engine by applying friction to a system of pulleys. 

It’s thus able to transmit rotational energy from the crankshaft pulley to a series of accessories, thus effectively moving these components.

The accessories powered by the accessory belt include:

• Alternator
• Air conditioning compressor
• Power steering pump

In some cases, it also supplies power to the water pump. To ensure efficiency, an optimal working of all of them together must be achieved.

Where Is The Serpentine Belt Located?

The serpentine belt is attached to the crank pulley and winds its way through various parts of your engine block. Depending on the engine in each vehicle, the serpentine belt may be located at the front of the engine block, or it may be along one side.

Keep reading: Understanding timing belt components and how to maintain it

What Are Other Types Of Belts In A Engine?

Considering the definition given above, it’s important to understand that the accessory belt is not the only drive belt within an engine.

• • Alternator belt: related to the car battery.
  • Power steering belt: helps making steering easier.
  • Water pump belt: helps powering the water pump, in charge of circulate coolant from the radiator to the vehicle’s engine block to prevent overheating.
  • Air conditioning compressor belt: drives the AC compressor in charge of keeping low temperatures in the vehicle cabin. 

• Timing belt: It is a positive engagement device; it guarantees the engine’s crankshaft and camshaft work in sync. Depending on specific engine belt configurations, it can sometimes drive water pumps and oil pumps too. 

What Are The Benefits Of The Accessory Belt?

The incorporation of the accessory belt has been favored in recent years for its capacity to generate an integration in power transmission processes. Additionally, its efficiency can be improved when incorporating serpentine belt tensioners, which maintain correct tension and alignment, as well as avoiding slipping and vibrations.

In order to access all these benefits, it’s key for mechanical experts to approach the accessory belt as a key component that shouldn’t be underestimated. This includes the need for sustained maintenance checks, especially looking at the manufacturer’s recommended replacement timings. 

Below are the main benefits of auxiliary drive belts:

• • Belt drives consume less engine space as it’s only a single belt running.
  • The accessory belt allows more belt tension without stretching.
  • Easier maintenance.
  • Cost-effective. Fuel economy and available power are increased.
  • Using a belt drive eliminates the tendency of flip.

What Are The Symptoms Of A Faulty Car Accessory Belt?

Certain factors such as the general wear, high temperatures or vibrations can have an impact on the car accessory belt, translating into a need for replacement.

Here’s a brief look at the symptoms of wear in the accessory belt that can cause further damage to your vehicle.  

• Hardening of the power steering.
• Battery failures in the vehicle.
• Wear and loss in the ribs of the belt.
• Shiny or frayed appearance.
• A surface that presents signs of abrasion.
• A belt that has been contaminated with oil or coolant.
• Excessive slack.
• Misalignment on pulleys.
• Melting.
• Noise when operated, including squealing or screeching sounds, and frequent ticks during acceleration.

Drivers can experience some effects like the failure of the power steering, the alternator, also the water pump, and air conditioner. However, each type of accessory belt will present its own needs and symptoms of wear.

You may like: Diagnose Auxiliary Drive Belt: symptoms of wearing

Do you have more questions about this element or want to know more about how to choose the right auxiliary drive kit? We are here to help you. With our decades-long experience we guarantee the highest quality and mechanical efficiency, as well as compliance with the strictest quality standards. 

Get in touch with us if you’ve run into any of the following issues mentioned above and obtain personalized advice to choose the best option for replacements.

La entrada Accessory Belt: frequently asked questions se publicó primero en Industrias Dolz.

As this component of the vehicle works continuously when the engine is running, it is important to have access to a guaranteed auxiliary drive kit that offers optimal performance.

However, high temperatures, vibrations and the general wear and flexing over time all have an impact on the auxiliary drive belt, which translates into the need of a replacement and an aux belt installation.

In today’s article, learn how to perform an auxiliary belt installation and how to choose the right drive kit to ensure a longer lifespan.

Auxiliary drives: differences and types

The aux drive belt (as part of the whole auxiliary drive kit) is in charge of powering several key components in its periphery thanks to a pulley system, and that some are of vital importance such as the alternator.

There are two types of aux drive belt:

• Serpentine belt: shaped like an isosceles trapezoid in cross section, is characterized by being thinner and smaller and generally only drive one peripheral at a time.
• V-belt: also known as poly v, poly belt or poly vee belt, it represents the most efficient and long-lasting option today, as it solves slippage and alignments issues and presents less maintenance needs.

Related content: What does a car’s auxiliary drive belt do and why should you care?

Auxiliary drive kit replacement: step by step

The only way to know when it’s time to replace the auxiliary drive belt is to visually check its state of wear, not only of the drive belt but also of the other peripheral components. If the strap is worn, it will have cracks, fraying or irregularities of all kinds. Therefore, the periodic inspections of the auxiliary transmission belt represent a more than reliable method to make this decision, since its wear will depend, among other factors, on the use that is given to the vehicle and the temperatures that it works.

The auxiliary drive belt installation should then include the following steps:

1. 1. Disconnect the car battery to ensure safety during all operations. It’s also advisable to perform the aux belt installation when the engine is cold.
   2. While observing the current auxiliary drive belt kit, create a faithful representation of its routing and its configuration. Draw a sketch or take a picture of the routing. Also, look under the hood and around the engine compartment for the belt path and make sure you are familiar with the setup.
   3. In order to remove the auxiliary drive belt, you’ll first need to release the tension so that it can later slide off easily. Modern cars may use automatic tensioners that have a spring located inside with an oscillating arm that maintains pressure on the belt and moves always keeping the strap in place. If this is the case, use a crescent wrench or socket wrench to lock the tensioner into a retracted position. Other vehicles use tensioners or accessories that must be manually locked to provide the correct tension.
   4. Observe tensioners and pulleys to ensure they’re in good condition. Pulleys must be aligned, in order to avoid belt damage or noises, and automatic tools can be used for this.
   5. Jam nuts must be tight to the back of the bracket, ensuring a minimal torque.
   6. The new auxiliary drive kit must be installed following the configuration observed during step two. The accessories drive belt must be aligned with pulley grooves, in order to avoid belt damage.
   7. The correct tension must then be applied, which again can be done manually or automatically. 
   8. Check the correct installation of the aux drive kit, then start the engine and let the transmission run for a few minutes. Check its operation through a drive test run.

Recommended: Dolz announces the addition of its new Auxiliary Drive Kits product line

Dolz, your trusted dealer for auxiliary drive kits

At Dolz we work to provide our customers with this competitive advantage by accessing our high-quality Auxiliary Drive Kits. 

Designed to ensure great engine performance, they follow premium standards from original manufacturers such as Audi, Volkswagen, or Renault and include all the necessary components for a professional repair, that is all components are delivered in one package: V-ribbed belt or auxiliary belt, pulleys and idlers, drive tensioners all the necessary accessories depending on the vehicle application.

Get in touch with us to learn more about our quality standards and proven benefits of our auxiliary drive belt kits.

La entrada Auxiliary drive kit installation: a step-by-step guide se publicó primero en Industrias Dolz.