Initial Inspection and Diagnostic Overview

Inspection and Verification
1. Verify the customer concern by running the engine.
2. Inspect the drive belt for chunking, fraying and wear.
3. Check the drive belt for correct routing and correct alignment on all pulleys.

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 Chunks of Rib Missing