Walnut Creek Auto Repair

You start the car cold in the driveway. For a second and a half there's a rattle from the front of the engine, like a handful of gravel in a coffee can, and then it clears up and the car drives fine all the way down Mount Diablo Boulevard. That noise is the timing chain tensioner losing its grip. On the 2.0T EA888 engines in the GTI, Jetta, Passat, CC and Tiguan, it's a known failure with a known ending: the chain jumps a tooth or two, the valves meet the pistons, and a $1,600 repair becomes an engine. Quick Summary: Key Takeaways Cold-start rattle is the tell: one to three seconds of chain noise on startup, then silence, means the tensioner isn't holding pressure. Affected engines are specific: 2008 to 2013 2.0T EA888 models and the 2.5-liter five-cylinder are the ones we see most. Repair now costs $1,200 to $2,200: a jumped chain with bent valves runs $6,000 and up, or a replacement engine. There is an updated part: the revised tensioner corrects the original design ... read more