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A video showing how to replace the timing chain amd tensioner on a 2.0tsi ea888 engine. This engine is found in various vw Volkswagen Audi group cars, and this Golf GTI MK6 came in with a cold start rattle. When the timing chain covers were removed, it was obvious that the chain was stretched as it was starting to lift out of the teeth on the cam sprockets. This is where we would hear the rattle noise on cold start, as the chain tensioner may have lost some of its oil pressure that should be retained inside of it. It has been suggested that these old style tensioners leak oil pressure past the piston which would explain this. Also, the other concern with the original tensioner is the mechanical locking element: this has a habit of breaking, sticking, or completely disappearing. If this is the case, the chain will push the tensioner all the way back on a cold start and the chain will jump. The inlet cam tends to be the one that jump the majority of the time. If the timing chain is stretched or allowed to be loose by a defective tensioner, the rough motion of the chain will cause breakage to the plastic timing chain guides.
Some things to remember once this issue is rectified, or to prolong/prevent it for as long as possible is to change the oil more frequently and make sure to use vw audi spec engine oil - vw504/507 im this case.

P0016 Bank 1: Camshaft Position Sensor (G40) / Engine Speed Sensor (G28): Incorrect Correlation - fault code can also be logged, which can be a good identification that the chain has likely jumped and a simple timing check should confirm this.

#vw #2.0tsichain #2.0tsi

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