Drive Belt: Testing and Inspection
Ribbed Belt, Checking
Replace a damaged ribbed belt to prevent failures and malfunctions.
- Crank the engine at the vibration damper/belt pulley using a socket wrench.
- Check the ribbed belt for:
• Cracks in the underside (surface cracks, fragmenting, cross-section breaks)
• Layer separation (outer layer, tension cords)
• Wear-through on the underside
• Fraying of tension cords
• Edge wear (material wear, frayed edges, hardened edges -glazed edges-, surface cracks)
• Oil and grease traces