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Old 10-02-2013, 02:46 PM   #9 (permalink)
Christ
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
Posts: 8,919

Pasta - '96 Volkswagen Passat TDi
90 day: 45.22 mpg (US)
Thanks: 1,369
Thanked 430 Times in 353 Posts
Because I picked up a TDI instead, which is a personal success. I've always wanted a TDI lol

The chain design is what makes it a lifetime part, not the power of the engine. The VR6 uses 3 chains, one from crank to intermediate, one from int to first cam, and one cam to cam. It's usually the first one that fails, IIRC.

No chain is a 'lifetime' part. Ever. They are wear parts, they do wear out, and as they do, it affects cam and ignition timing [by extension]. The 'lifetime' designation of the chain refers to the 'serviceable life' of the vehicle, which typically coincides with the warranty duration.

Edit: VW calls the VR6 chain a 'lifetime' assembly as well. It lasts often more than 100,000 miles - the serviceable lifetime of the vehicle.
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