Operation CHARM: Car repair manuals for everyone.

Timing Belt: Service and Repair






03 - Service Procedures

Camshaft Drive Toothed Belt, Checking

Toothed Belt, Checking Condition

- Open fasteners of upper toothed belt cover and remove cover.

- Check condition of toothed belt for:

Cracks, cross-sectional breaks

Separation (cover layer, belt cords)

Wear-through on cover layer

Fraying of cords

Surface cracks (plastic shroud)

Oil or grease contamination

It is essential to replace toothed belt if malfunctions are found. By replacing, failures and/or disturbances can be avoided. Replacing the belt is a repair procedure.

While checking the condition, take notice of the following defects:





A - Tears (cover side)

B - Lateral movement

C - Fraying

D - Tears (in teeth)