wear Archives - UnderhoodService
VIDEO: What Wears Inside A Decoupler Pulley?

We show you what’s inside both OAP and OAD decoupler pulleys. This video is sponsored by Litens.

Belt Wear Diagnostics

The original equipment belts on late-model vehicles are made of synthetic materials and are far more heat-resistant and wear-resistant than older materials. These innovations mean serpentine belts may last up to 100,000 miles before they need to be replaced. If a belt fails sooner, you need to be a detective and investigate why it failed.

Cracked serpentine belt