{"id":13272,"date":"2023-06-05T23:35:18","date_gmt":"2023-06-05T21:35:18","guid":{"rendered":"https:\/\/www.idolz.com\/?p=13272"},"modified":"2026-01-07T15:45:32","modified_gmt":"2026-01-07T14:45:32","slug":"timing-chain-kit-for-r9m-engine","status":"publish","type":"post","link":"https:\/\/www.idolz.com\/en\/timing-chain-kit-for-r9m-engine\/","title":{"rendered":"Timing chain kit for R9M engine"},"content":{"rendered":"<p>Alliances between vehicle manufacturers is not something new; Since the beginning of automotive history we find a large number of strategic partnership between different companies. In today&#8217;s article we talk about the very popular R9M engine, developed by Nissan-Renault and Mercedes, and we get an in-depth understanding to its operation.<\/p>\n<p>&nbsp;<\/p>\n<h2>R9M engine<\/h2>\n<p>&nbsp;<\/p>\n<p>The Energy dCi 130 engine is an engine that was developed by the consolidated work between <strong>Renault, Nissan, and Mercedes, on a 1.6 dCi version<\/strong> in 2011 as a result of the need for improvements on the predecessor 1.9 dCi engine.<\/p>\n<p>With a variable geometry turbocharger or a high-pressure EGR valve, this engine, known as &#8216;R9M&#8217;, rapidly found its way into a wide range of applications, becoming the new popular engine thanks to its 130 HP and innovative technology.<\/p>\n<p><img class=\"aligncenter wp-image-13253 size-large\" src=\"https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-1024x175.jpg\" alt=\"\" width=\"1024\" height=\"175\" srcset=\"https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-200x34.jpg 200w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-300x51.jpg 300w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-400x69.jpg 400w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-600x103.jpg 600w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-768x132.jpg 768w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-800x137.jpg 800w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-1024x175.jpg 1024w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3-1200x206.jpg 1200w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-3.jpg 1220w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Later, and after its good performance, were launched on new versions as 160 and 145HP.<\/p>\n<p>The main improvement of this engine versus its predecessor, the 1.9 Dci, was the reduction on consumption and emissions.<\/p>\n<p>Proof of this are the following examples:<\/p>\n<ul>\n<li>On the Renault Scenic the engine consumption is 4,5 l\/100km whereas its predecessor on the 1.9 DCI was 5.4L.<\/li>\n<li>Regarding CO<sub>2<\/sub> emissions, the R9M data is 117g\/km de CO<sub>2<\/sub> compared to 149g\/km for 1.9 Dci.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>How they manage to do so?<\/h3>\n<p>&nbsp;<\/p>\n<p>These improvements in fuel economy and emissions savings over other engines are achieved through four key factors in the configuration and design of this engine:<\/p>\n<ol>\n<li>The concept of variable vane oil pump able <strong>to adjust the oil flow and pressure<\/strong> according to the engine needs.<img class=\"alignright wp-image-13246\" title=\"oil pump\" src=\"https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-2-300x259.jpg\" alt=\"\" width=\"221\" height=\"191\" srcset=\"https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-2-200x173.jpg 200w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-2-300x259.jpg 300w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-2.jpg 359w\" sizes=\"(max-width: 221px) 100vw, 221px\" \/><\/li>\n<li><strong>Variable spiral air inlet admission<\/strong> that helps the engine to optimize the air\/fuel mixture.<\/li>\n<li><strong>Optimized thermal management<\/strong> with an internal valve capable of managing the coolant through the engine just when is needed.<\/li>\n<li>An <strong>EGR exhaust gas recirculation system<\/strong>. A low-pressure EGR valve directs exhaust gases through a filter before entering them back into the intake.<\/li>\n<\/ol>\n<h2><\/h2>\n<p>&nbsp;<\/p>\n<h2>What can go wrong then? R9M engine issues<\/h2>\n<p>&nbsp;<\/p>\n<p>Previous Renault engines are known to have struggled on timing belt system, putting too much stress on the tensioner and even on the water pump bearing. The idea to use a<a href=\"https:\/\/www.idolz.com\/en\/timing-chain-kits\/\"> timing chain kit<\/a> was the best option, but this design presents a challenge.<\/p>\n<p>The inlet an exhaust cams are connected through a cog gear mechanism, the teeth are no helicoidal as we can see in most recent Mercedes engines. Through the usage and on some occasions an incorrect maintenance, a clearance is generated between the gears.<\/p>\n<p>This clearance generated noise and since the cam timing chain sprocket is mounted directly on top of one of the gears, the vibrations are transmitted to the timing chain kit mechanism. As result a premature wear between the sprocket and chain happens.<\/p>\n<h2><img class=\"alignnone size-medium wp-image-13239\" src=\"https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-1-300x210.jpg\" alt=\"\" width=\"300\" height=\"210\" srcset=\"https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-1-200x140.jpg 200w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-1-300x210.jpg 300w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-1-400x280.jpg 400w, https:\/\/www.idolz.com\/wp-content\/uploads\/2023\/06\/image-1.jpg 477w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h2>\n<p>&nbsp;<\/p>\n<h2>DOLZ Timing Chain Kit SKCR150<\/h2>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.idolz.com\/en\/\">Dolz<\/a> is proud of launching this kit which the<strong> reinforced material used on the sprocket and the latest version of the chain<\/strong> that will help our customer to keep driving more many years to come these iconic engines.<\/p>\n<p>Thanks to the experience and its commitment, Dolz products have uncompromising quality, <strong>with the latest technological innovation and 100% tested<\/strong>.<\/p>\n<p>Both part numbers are already available for workshops and distributors in the different electronic catalogs such as TecDoc and Sofinn.<\/p>\n<p>If you require\u00a0any\u00a0further information,\u00a0don&#8217;t\u00a0hesitate\u00a0to<a href=\"https:\/\/www.idolz.com\/en\/contact\/\">\u00a0contact us<\/a>\u00a0as we&#8217;ll be glad to be of help.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alliances between vehicle manufacturers is not something new; Since the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14240,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[299],"tags":[151,117,173],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.1.1 - 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