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I recently purchased an 04 Passat with the BHW in it and 127000 miles. My dealer inspected it and told me that the timing belt was frayed and really needed to be replaced soon. I asked him to save the parts and when I looked at them, they looked essentially new. I saw in the newbie timing belt post that there is a date code on the tensioner. There are some numbers on mine but I don't know how to interpret them. Also there is what appears to be a long serial number or code of some kind stamped into the perimeter of the belt. Can anyone help with this?
 

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127,000 miles is way beyond it's rated life. It's a good thing it was changed. It's possible it was never changed.

Take pics of the tensioner and the rollers front and back or post it here. The number on the belt itself is probably the part number.
 

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Thank you so much for the replies. Here are photos of both sides of the tensioner and a side view of the roller. There are numbers embossed in what appears to be the back stamping 038 109 243M and on the front there is a small stamped 064E2 in the recess above the center piece.
 

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The long one is the part number. Don't know what the other one is. The date could be on the small roller. The dealer should have changed the belt, tensioner, water pump, and 1 small roller. If the small roller or water pump fail it can wipe out the timing belt too. There are pics of the parts in the timing belt writeup in the FAQ section.
 

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Nice wallpaper. From what I understand, the bearings in the rollers or water pump or the belt are what fails and wipes everything out. I'm not sure if the roller surface would show much wear unless it was melted or something.
 
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