Initial Inspection and Diagnostic Overview
Accessory DriveInspection and Verification
1. Verify customer concern by running the engine.
2. Inspect the drive belt for chunking, fraying, wear, and pilling.
3. Check the drive belt for correct routing.
Drive Belt Cracking/Chunking/Wear
V Ribbed Serpentine Drive Belt With Cracks Across Ribs
The accessory drive:
- has a single serpentine drive belt.
- has an automatic drive belt tensioner.
- does not require adjustment.
V Ribbed Belt With Shun of Rib Missing
V Rubbed Belt With Pilling
NOTE: Pilling is an excessive build up in the V grooves of the belt.