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Timing Chain Noise - diagnose & replacement - Mercedes

When should YOU REPLACE the TIMING CHAIN? First, engine start at cold could reveal noises that, if left untreated, could lead to major repairs. Many newer cars come with a timing chain instead of a timing belt, and most people think that they will never replace the timing chain simply because it is a chain. Nowadays, timing chains are thinner than they used to be in old cars, and together with long distances between services or services missed, they are prone to stretch, and then they become noisy at first before they completely fail. When replacing the timing chain new chain tensioner, new sprockets and new guides should be replaced ideally. However, as was the case here, we could reuse the tensioner and guide rail as they were still in good condition, and we have minimised the labour cost. 0:18 Mercedes timing chain noise 0:30 engine rattling on startup 0:40 timing chain noise on cold start 2:04 timing chain location 2:40 remove air filter 2:50 turbocharger location 3:12 remove dpf sensor bracket 3:52 remove engine wiring loom 5:00 remove diesel injectors 5:49 remove engine rocker cover 6:00 stretched timing chain 7:00 new timing chain 6:50 timing chain guide and tensioner rail 7:15 how to install the timing chain 7:25 when timing chain can be replaced in situ 7:49 new timing chain tensioner 8:30 removing camshafts carrier caps 8:49 remove camshafts 9:10 inspect camshaft sprockets 9:40 new vs worn camshaft sprockets 11:10 inspect timing chain guide and tensioner rail 11:40 how to replace timing chain 12:00 timing chain cutting and riveting tool 12:10 cut roll in and rivet new timing chain 14:08 timing chain tensioner location 14:40 install cam cover 15:05 how to install injectors 15:40 replace the air filter 16:26 engine noise on cold start OGS Mechanics is a specialised garage based in Finchley Central, London, that carries out advanced repairs, maintenance, ADAS calibration, vehicle security upgrades, engine rebuilds, extraction of stuck injectors and glow plugs, advanced coding and programming for almost all vehicles on the road. The OGS Mechanics workshop is the one-stop for all your vehicle needs! OGS Mechanics ☎️: 0208 346 6755 📞: 0790 864 0578 📧: [email protected] 📌Units 9 - 14 Millers Yard, Rear of 28 Long Lane, London N3 2QG, United Kingdom Our website: https://www.ogsmechanics.com/ More articles about car repairs: https://www.ogsmechanics.com/blog/ #mercedes #rattleengine #timingchain #timingchainnoise #timingchainreplacement #chaintensioner #sprocket #chainguide #ogsmechanics #garageworkshop #garage #autorepair #carrepair #carmaintenance #enginerebuild #injectorremoval #adascalibration #coding #programming