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Audi TSB #A151526 2039995-
2011 Audi Q7
TSB Document:
Affected Component: POWER TRAIN
- Summary
- Rattling noises are heard from the timing chain drive for about 1-3 seconds after the first engine start of the day. The noises are caused by one of the upper chain tensioners. The noises do not lead to damage. Improved chain tensioner.
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