Join Date: Sep 2003
Location: Stockertown, PA
Ha! Never noticed that before...I'm curious about this difference too. Your statement about emissions gets me thinking of how a belt could affect emissions. If a rubber-fabric belt can stretch with use, and/or teeth on a belt can chamfer or wear thin, then timing will be slightly altered by the worn belt features.
Personally, I would change my timing belts (on any car that has them) between 60-70K miles. If you are going to stretch it to 105K, make sure the specified belt inspection is performed according to the maintenance schedule. You can inspect the belt yourself, all you can really do is remove the covers and look for damage and/or fluid contamination (oil, mostly) anyway.
That's all the dealer techs can see...obviously a properly documented check would be best.
Might be refering specifically to TDI's as well...not sure.
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