Dealing with Deposits to Boost Engine Life
Valvoline didn’t think an engine oil that removed deposits was possible … until they did it.
![](https://s19539.pcdn.co/wp-content/uploads/2024/06/Valvoline-Restore-Protect-Feature-1400.jpg)
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.
![](https://s19539.pcdn.co/wp-content/uploads/2020/05/OAP.jpg)
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](https://s19539.pcdn.co/wp-content/uploads/2016/01/iStock_000027371581_Medium.jpg)