Drive Belt: Testing and Inspection

Ribbed Belt, Checking

CAUTION!
Always replace the ribbed belt if it is faulty. This can help prevent failures or malfunctions.

Procedure

- Turn over engine at 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

CAUTION!
If defects are discovered, the ribbed belt must be replaced immediately. Thereby, failures and malfunctions can be prevented.