Timing belt tensioner & idler diagram (illustraition) (Nellie Klein) See which vehicle models and years are included in the timing chain settlement and if yours qualifies. The newer TSI engines have moved to a "timing chain", which VW / Audi have stated as a non-servicable item and should last the life time of the. You may wonder what the difference is between a timing chain and timing belt.
The Volkswagen/Audi class action lawsuits allege that some of the automakers' vehicles have a timing chain defect that can cause engine damage or engine failure.
The newer TSI engines have moved to a "timing chain", which VW / Audi have stated as a non-servicable item and should last the life time of the.
For years, they had the timing belt turning one cam and a chain with a variable valve timing tensioner running the other cam. Check condition of timing belt tensioning system, dampening pulleys, and idler pulleys and replace if necessary. Most of the time, they last the life of the vehicle (at least they are supposed to).
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