glcaines
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I repaired a leaking fuel line on my M35A3 and replaced both belts. These were the original belts since they had yellow paint on them from CAT and I should have replaced them much earlier. Fuel line repair was no problem - took about an hour working slow. Replacing the two belts was a real PITA! The belt tensioner on the serpentine belt was stuck, but penetrating oil and a lot of working it back and forth helped free it up. The real pain was the V belt. Both bolts holding the tensioner were frozen in place and very difficult to get to. Even with a lot of penetrating oil it was very difficult to free them up. I was very concerned that they might break off, which would really have been bad. They are only 5/16 inch bolts, way to small for the application. They finally came free. Replacing the belts should have taken about 30 minutes instead of the 4 hours it really took. For other A3 owners, the NAPA numbers for the belts are 25-070644 for the serpentine belt and 25-9345 for the V-belt.
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