Visual Diagnosis
| Class | Failure Mode | Occurrences |
|---|---|---|
| A | Micro Crack (1), Crack Down to 1/2 Rib Height (2) | No Limit |
| B | Crack Down to Rib Base (3) | 3 or more |
| C | Crack Down to Cord (4) With Initial Rib Separation (5), Chunk (6) | 0 |
REPLACEMENT GUIDELINES
- Limit for occurrences reached for Class B and C damages.
- Excessive wear to profile surface (See below for detailed information).
- Damage to cutting edge including edge cord failure (See below for detailed information).
- Contamination - engine oil, power steering fluid, coolant, brake fluid and others.
- Belt noise (Please refer to the Noise Diagnosis below for detailed information).
NOTE:
Do not use belt dressing on a serpentine belt.