Operation CHARM: Car repair manuals for everyone.

Drive Belt: Testing and Inspection




Ribbed Belt, Checking


NOTE: Always replace ribbed belt if found to be faulty. This will avoid related break-downs or operating problems.


- Lift vehicle and check condition of ribbed belt -1-.







- Crank engine by hand at vibration dampener/pulley -arrow-. Check ribbed ribbed belt for:
- Sub-surface cracks (cracks, core ruptures, cross sectional breaks)
- Layer separation (top layer, cord strands)
- Base break-up
- Fraying of cord strands
- Flank wear (material wear, frayed flanks, flank brittleness -glassy flanks- surface cracks)
- Traces of oil and grease