Timing Belt

CLEANING
Do Not attempt to clean a timing belt. If contamination from oil, grease, or coolants have occurred, the timing belt should be replaced.
Clean all sprockets using a suitable solvent. Clean all sprocket grooves of any debris.

INSPECTION





Fig. 130

1. Remove the upper left timing belt cover (Fig. 130).
2. Inspect both sides of the timing belt drive & back. Replace belt if any of the following conditions exist.
- Hardening of black rubber back side is glossy without resilience and leaves no indent when pressed with fingernail.
- Cracks on rubber back.
- Cracks or peeling of canvas.
- Cracks on rib root.
- Cracks on belt sides.
- Missing teeth.
- Contamination by oil, grease, or coolants.





Fig. 131

- Abnormal wear of belt sides. The sides are normal if they are sharp as if cut by a knife (Fig. 131).
3. If none of the above conditions are seen on the belt, the belt cover can be reinstalled.