When does a timing chain get damaged?

Unless there is a specific fault, the timing chain should be replaced between 80,000 and 120,000 miles. Chain problems are frequent in automobiles with increasing mileage. If you’re driving an older car or one with a lot of miles on it, keep an eye out for signs that the timing chain is failing. Because the timing chain might break and require replacement, it’s critical to be able to spot the symptoms and have it serviced before it completely fails.

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Timing chain replacement: Warning signs

Timing belts must be replaced on a regular basis, but timing chains do not. There’s no reason to alter the timing chain unless it’s damaged, strained, or otherwise affected. If there is a problem with the timing chain, your car will most likely have one or more issues.

The following are signs of a faulty timing chain:

• Starting the vehicle is difficult.
• Noise in the timing chain.
• Check engine light illuminated.
• Engine misfires and sluggishness.
• When the engine is idling, it vibrates or shakes.
• The engine will not start.

There’s a chance you’ll notice a noise coming from the timing chain cover region. A loose timing chain, which could be caused by a malfunctioning timing chain tensioner, guide, or other faults, is frequently the source of this noise. If you overlook the early warning signs, more significant problems will develop; therefore, make sure to inspect the timing chain as soon as you notice a noise coming from its mounting place.

Keep reading: The different timing chain systems

Rattling noise during start and idle

The rattling or clattering sound produced by the stretched chain may also become annoying. With the hood open, this sound will be audible, and it will change with engine speed. A broken timing chain may hop around on the crank and camshaft gears, generating rattling and knocking noises from the front of the engine, or it may hit the timing chain cover. A broken timing chain will allow the valves to come into contact with the pistons in severe failures on some engine models, resulting in very loud knocking and banging noises, catastrophic engine failure, and damage to the valves and pistons.

Broken plastic timing guide and metal shaving

Small metal parts can break off your timing chain and end up in the oil pan if it’s worn out. If your mechanic notices little pieces of metal inside the oil as it is drained or in the filter when you get your oil changed, it could signify your timing chain is starting to fail. However, there are a variety of other issues that might result in metal shavings in the oil. If you discover metal in your oil, contact your manufacturer or service provider as soon as possible for an examination, precise diagnosis, and suitable repair.

Lack of power

Because the valves are not opening and shutting at the proper times, a timing chain that has stretched sufficiently to skip some teeth on the sprocket will not allow the combustion chambers to pull in the necessary quantity of fuel and air mixture. This results in a considerable loss of power and reduces the engine’s responsiveness to accelerator pedal input.

Timing related codes

By controlling when the intake and exhaust valves open and close, the variable valve timing system improves fuel economy and engine performance. The ECM adjusts the camshaft(s) through the use of oil control valves, commonly known as VVT Variable Valve Timing control and solenoid valves.

The drivability of your car is greatly impacted by timing-related codes. Increased engine stalling, rough engine idle, decreased fuel economy, and rattling/knocking noises from the engine are the most typical issues. Continuing to drive the car in this situation could result in serious damage to several internal engine components.

The Bottom Line

The timing chain is an essential component of any engine, and your car would be useless without it. If your timing chain breaks while you’re driving, your vehicle’s engine is likely to suffer catastrophic damage. If you detect any of the danger signals described above, the best way to avoid major engine damage is to have your timing chain replaced by a skilled mechanic. You may save thousands of dollars and considerably extend the life of your engine by being proactive and aware.

At Industrias Dolz we have developed a new range of timing chain kits; they are much quieter and promote longer transmission life. In addition, they do not require scheduled maintenance. All Dolz kits meet all OE quality standards and include all components required for a professional repair (timing chain, crank sprocket, cam sprocket, tensioner, guides, oil seal, VVT…).

Contact us if you need further information about our timing chain kits or about the timing chain replacement.

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Dolz products are constantly being researched to ensure that Dolz-GGT continues to meet the market’s requirements. You can be assured that all components are manufactured to the highest standards.

New additions include timing chain kits for BMW, Mercedes, Citroën and Volkswagen, timing belt kits (with and without water pump) and, water pumps for trucks and also for the North American Aftermarket. 

Click and Download this month New To Range!

Download: New to Range February 2024

About DOLZ

Dolz is a global leader in the automotive aftermarket, manufacturing and distributing cooling and drive system products. Our experience as manufacturers allows us, thanks to an entire in-house manufacturing process, to offer to our customers the best possible level of service.

With innovative technologies, Industry 4.0, and in-house production, we have locations in more than 70 countries around the world and three factories in Spain (Castellón), Argentina (Buenos Aires) and China (Shouzou).

All DOLZ/GGT’s new references are in stock and ready to be shipped. For more information regarding our latest products, please contact our customer service on dolz@idolz.com / (+34) 964 340 038 or contact your Dolz Distributor

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Industrias Dolz has released 9 new references across its product portfolio, all of them already available for distributors and workshops, and can be found in the main electronic catalogs such as TecDoc and Sofinn.

+4 Water pumps

New part numbers for water pumps suitable for: BMW, Mercedes-Benz, DAF and VOLVO.

• 1 new variable water pump:DOLZ: B262V; GGT: PA13482

• 3 new truck water pumps:

DOLZ: M673; D330; V504 
GGT: PA12985; PA13261; PA13446

Based on the extensive knowledge of our experts, at Dolz we have developed a range that is characterized by its reliability, efficiency, and ease of assembly. More than 1,300 water pumps that guarantee the main European and Asian brands coverage and strengthen our leadership position in the market. Therefore, you can be confident that we will have the parts you need when you need them.

 +3 Timing belt kits

New timing belt kits with water pump suitable for: Seat, Volkswagen and Toyota applications.

• DOLZ: KD230 (A179 water pump); KD231 (A189 water pump); KD256 (T229 water pump)
• GGT: KPA20230 (PA10967 water pump); KPA20231 (PA11161 water pump); KPA20256 (PA12543 water pump)

Dolz Kits are designed to provide the driver with the highest performance in any type of condition. Offering a competitive range of timing belt kits that already exceeds 230 part numbers. This range includes the Best-Selling references in Europe and all the necessary components delivered in one single package to guarantee a professional assembly.

Related content: Buying Guide / DOLZ-GGT Timing Belt Kits

+2 Timing chain kits

New part numbers for SMART 0,6 and 0,7 Petrol.

• DOLZ: SKCS040 / SKCS040C
• GGT: KCSPA040 / KCSPA040C

Dolz offer one of the most comprehensive Timing Chain Kit ranges in the Aftermarket.  These kits include all the necessary parts to get you back on the road.

More and more cars are fitted with a timing chain. When purchasing a Timing Chain Kit, it is essential to take into account the quality of the materials. For this reason, Dolz Kits have rigorous validation procedures that guarantee a quality OE equivalent, maintaining all its features for maximum precision and durability.

Click and check out the New-To-Range: June 2023

Why choose Dolz/GGT?

Once again at Dolz we combine the latest technology with coordinated planning and flexible production, which allows us to provide our customers with the best possible service and quality.

About us

Our experience of almost 90 years in the aftermarket sector allows us to offer innovative solutions and a competitive range of products that meet the highest quality standards.

With a global presence in more than 70 countries worldwide, Industrias Dolz has 3 manufacturing plants located in Spain (Castellon), Argentina (Buenos Aires) and China (Shouzou) and different commercial offices.

Having a full implemented manufacturing processes ‘under one roof’, we can guarantee the total quality of our products, since all processes have quality validations, supplies and reduced lead-times. It has also been possible thanks to the implementation of the Lean Manufacturing method in our facilities.

You must be interested: …All in Dolz. In House production end to end.

All DOLZ/GGT’s new references are in stock and ready to be shipped. Visit www.idolz.com for further information on all our products.

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Commonly, when a timing belt fails, all the other parts around it also require replacement. Because of this reason, it is better to change not only the belt but also other engine parts such as the water pump and tensioner. It means a better and long-lasting repair, prevention of engine risks and savings for the pocket.

Buying a timing belt kit has been proved to reduce 50% of interventions and an estimated 5 hours of labor. That is, one box solution that contains all of the components required for an optimal timing belt replacement. Continue reading and learn how to choose the best timing belt kits for your application.

Dolz Kits: What types of timing belt kits are there?

Timing belt kits with or without water pump

All-inclusive kits that contain everything you need for a professional repair: water pump with gasket when necessary, belt, pulleys, bearings and screws.

In order to cater the different needs of the market, timing belt kits are also available without a water pump.

Keep reading: 5 warning signs its time to replace the timing-belt

What criteria should you follow when choosing a distribution kit?

Ensuring that your vehicle has a strong and reliable engine is essential for safe and efficient driving. To achieve this, there are several key factors to consider when maintaining your vehicle’s engine. By taking care to address these critical aspects, you can help to extend the life of your engine and achieve optimal performance.

Compatibility and fit

Timing belt kit components must be compatible with your car engine. Timing belts can differ in strength, thickness and temperature resistance in relation to suiting specific vehicle needs. If you choose without checking compatibility, premature failure will potentially arise.

In order to do so, it is key to conduct research before selecting and ordering; by checking the part number and every specification that will ensure a proper fit in the engine. Accurate instructions also play an important role in securing an easy and safe installation of all parts involved.

Quality and guarantee

Do not jeopardize quality for price matters, as this will negatively affect durability; raising the costs associated with fixings and reparations in the long term. A reliable performance is a must so, the investment will surely be worth it.

Best timing belt kits are those whose quality is at least equivalent to OE standard specifications regarding fit, functionality and performance indicators. Timing belt components must be tested under the same conditions as per OE specifications, with proven materials guaranteeing superior resistance against heat, pressure and external wear.

Dolz’s facilities are fully ISO certified in all the countries where it operates. With a guarantee rate as low as <0.05%, quality of Dolz references rests assured.

Manufacturer experience

Reputation and expertise are the safest ways to verify product quality and reliability. It is rather important that the chosen brand has proven knowledge and experience in the manufacturing of the specific product, as each individual component has a unique functioning.

Existing reviews and additional support materials such as technical specifications, videos and unboxings can help you identify specifically how the item(s) should turn out. Only an experienced manufacturer can offer a backed-up product.

You must be interested: Timing belt kit replacement: how to do it?

Parts included on the timing belt kits

When it comes to maintaining the engine of your vehicle, few components are equally critical as the timing belt. To help ensure that your timing belt is functioning properly, it’s important to understand the various parts that are included in our timing belt kits:

Timing belt

It is in charge of keeping internal combustion engines running and the vehicle’s pistons and valves operating correctly. Premium quality belts must prove resistant to changes in temperature, water and oil to ensure optimized durability.

Water pump

The water pump is directly adjacent to the timing belt and is intended to keep the optimum temperature of the engine at all times, so it must remain properly sealed to avoid leakage. In most cases, the timing belt drives the water pump, which is why it is the right time to replace the water pump when replacing the timing belt.

Tensioners

A belt tensioner or idler pulley is the system that guides the timing belt on a car engine, keeping it tight and running smoothly. Its main function is to stop the belt from slipping, avoiding drivability issues derived from a loose timing belt.

Bearings and screws

Bearings and screws are what holds together and in place the different components of engine timing belt kits. Dolz bearings are equivalents to OE and resistant to temperature changes and motor vibrations. They are manufactured with high quality raw materials to reduce friction and wear.

Choose Dolz’s timing belt kits for superior engine performance

The best timing belt kits are those manufactured at a superior technological level. Dolz has made significant investments in technology and innovation to provide products of unique precision and quality that have gone through solid inspections during the process.

With two options available: all-include kits with water pump (KD) and an option without the water pump (SKD), both alternatives are manufactured to reach OE specifications and are guaranteed for 2 years from date of purchase or 80.000 km.

Search through our kits e-Catalogue by reference, model, version and brand or contact us for tailored advice on choosing your best option for timing belt replacement!

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What are Dolz distribution kits?

On the way to offering a better-quality solution for users and garages all around the world, distribution kits were born as an innovative way to satisfy customer’s product and service needs in the automotive aftermarket.

As a one box solution, Dolz Kits have everything required to correctly assemble the vehicle’s distribution system, preventing component damage, and prolonging its lifetime, durability, and optimal performance.

Different types of distribution kits

At Dolz we have a wide range of timing kits for both belt and chain. Choosing the right timing kit mainly depends on individual vehicle needs and replacement preferences. These factors depend on 1. the type of timing system involved for the replacement, either chain or belt, and 2. In case of timing belt, whether or not the water pump will be replaced in the same operation.

Timing belt kits

Timing belt kits have as a main component the belt. A premium quality timing belt which has resistant to changes in temperature, in water and oil, ensuring optimized durability. Inside the kits we also find the rest of components necessary for its assembly, whether they are bearings, screws, etc.

Timing belt kits with & without water pump 

Because water pump and timing belt replacement are two of the most common operations in any garage, professionals usually recommend replacing them at the same time.

This offers three important advantages: it saves on labor and investment, it reduces the number of times the vehicle enters the repair center, and it improves both the quality and safety of the intervention; as the parts will interlock better this way and the pump bearings will remain stronger.

For these reasons, all-include kits with water pumps have become the most popular option for workshops and vehicle experts throughout Europe and the rest of the world.

With the objective of serving the different demands of the vehicle parts market, Dolz offers the possibility of obtaining its kits without a water pump. 

Timing chain kits

Timing chain kits include a premium timing chain together with the rest of components required for its assembly: tensioner, VVT (Variable Valve Timing), guides, screws… 

Both the timing belt and the timing chain serve the same purpose, and that is to keep the camshaft(s) and crankshaft in sync.

The quality of the belt goes a long way towards determining the quality of the engine’s performance. Which is why Dolz’s branded timing belts and timing chains are of premium quality; extremely durable and resistant to temperature changes.

As mentioned above, timing chains are stronger than timing belts and therefore last longer. However, they can produce louder noises, they are more expensive to produce and require a more complex replacement procedure.

You may like: 10 reasons to choose Dolz products for your automobile spare parts

Main distribution kit components

Distribution kits are composed of several individual parts that are essential for the proper functioning of the engine and cooling circuit of any vehicle. The following components are the basic pieces that shape a quality distribution kit.

Water pump 

Most distribution kits provide a water pump to enable the replacement of the timing system and pump at the same time. The water pump is the heart of the cooling system and is designed to ensure the correct temperature of the engine, optimizing the performance and functioning of a vehicle’s engine. 

It is manufactured with a silicon carbide seal and might incorporate a gasket if necessary. Dolz’s water pumps have been designed following the original specifications and have been manufactured with the most innovative robotics, thus guaranteeing excellent quality. 

Maintenance tips

Every car manufacturer states the replacement intervals of the timing belt or chain in the maintenance guide of each of its models, and the first step to a long vehicle life starts by strictly following the manufacturer’s user manual.

For that, there are a number of recommendations to be followed in terms of maintenance and warranty:

• Check the warranty sheet provided with the distribution kit; usually available in an e-format with a QR code located on the box.
• Perform preventive maintenance by replacing components after the first signal of malfunctioning, before they fail and cause an even greater breakdown in the engine.
• Follow the specifications of the vehicle manufacturer at all times in terms of tightening torques, tension of the belt etc.
• Go exclusively to those manufacturers that count with the ISO9001 certificate, to ensure the highest quality in all components.

With the increase in the cars lifespan, these interventions have now become part of the regular maintenance of vehicles. Choosing a trustworthy partner that works with the highest quality standards and in a transparent way will guide you to offer the best possible service to vehicle users. 

You may like: 10 reasons to choose Dolz products for your automobile spare parts

Dolz, your safety choice since 1934

With an extensive range made up of more than 200 distribution kit references in total, Industrias Dolz covers more than 90% of vehicle sales in the European market. Thanks to its more than 90 year of experience in the sector, Dolz offers a complete range, providing its clients with the best solutions, excellent quality, service and innovation.

Dolz’s distribution kits offer the following benefits:

• Synergistic design.
• Great robustness and reliability. 100% testing.
• Quality OE equivalent.
• Components made of steel for high resistance.

If you are interested in Dolz’s distribution kits, download our catalogue to find all the information you need. From product applications through vehicle details or individual OEM number, to search filters such as GGT reference, original, competitor or brand. Contact us if you still have any doubt!

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