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If you can’t always see or hear it, how do you diagnose belt wear on the new EPDM belts?

Think of EPDM belt wear the way you think of tire wear. After many miles of running on the road, a tire’s tread gradually wears down. Over time, belts experience a similar loss in material or rib wear. When this happens, a belt loses its ability to grip or function properly – it can slip – which puts a strain on other components within your engine, causing them to malfunction and eventually fail. Problems with your engine’s accessories are often your first clue that your belt should be replaced.

Tech Tip: Neoprene vs. EPDM Construction
Changes in construction mean changes in diagnosing belt wear.

Tech Tip: Belt Inspection Changes
What does EPDM construction mean and why does it matter?

Tech Tip: Belt Performance Directly Affects Other Components
The slightest material loss in belts means more to a car’s drivability than you might think.

Tech Tip: The Role of the Automatic Tensioner
Checking the tensioner is an imperative part of an inspection.