4 2 Fsi Timing Chain. CAMSHAFT ENGINE TIMING LOCKING AUDI A4 A6 A8 2.4 3.2 FSI CHAIN VW GEKO ENGINE TIMING TOOLS Most likely you have failed timing chain tensioners and the camshaft chain skiped a tooth Search for Audi A8 4.2 BVJ timing chain replacement Forum Some info on the cooler/O-rings replacement and other parts to replace while the front clip is off in discussion here within DasuberS8's thread
How to Replace timing chain on VW Polo 9N 1.4 FSI from replace-timing-belt.com
But I don't hear about it happening in the 4.2 fsi..why? I checked my 2011 A8 at 180k miles and the camshaft adaptations, all less than 2 degrees. There were not a lot of 2007 to 2010 A8's sold with the later FSI 4.2, also not a lot of history here AFAIK.
How to Replace timing chain on VW Polo 9N 1.4 FSI
The 4.2 in the B6/B7 S4 is 5 valves per cylinder and port injection. All the FSI (direct injection) engines are 4-valve engines I believe the Q7 and Volkswagen Touareg share the same 4.2 FSI V8 so i would be inclined to hear how those are holding up as well.
How To Replace A VW 2.0 FSI Timing Chain VW Golf/Jetta Mk5 YouTube. I believe the Q7 and Volkswagen Touareg share the same 4.2 FSI V8 so i would be inclined to hear how those are holding up as well. Sorry i should've clarified that but it was more to showcase the intensive labor involved
how to set timing chain on audi q7 quattro fsi vr6 4lb 3.6l bhk timing chain replacement YouTube. The 3.2 FSI (which in large part is a v6 version of 4.2) has a well established issue with timing chains lengthening to the point the tensioner resets, with catastrophic reselts typically While the 32v was built off of the 40v platform, it received numerous upgrades including a new crankshaft, rods and pistons, cylinder heads, oil cooler system, intake and exhaust system, and ECU.