Posts Tagged: serpentine belt wear

How to check serpentine belt wear

Check serpentine belt wear You can’t check serpentine belt wear visually anymore Since 1995, most car makers started using ethylene propylene diene monomer (EPDM) rubber for their polygroove belts. Older polygroove belts were made from neoprene which cracked as it aged. To check serpentine belt wear on a neoprene multi-rib belt, you count the number of cracks in a single rib in a 3” section. If you see three or more cracks in that 3″ section of a single rib, that means the belt has gone beyond the 80% mark … Read More