Initial Inspection and Diagnostic Overview

Inspection and Verification
1. Verify the concern by running the engine.

V-Ribbed Belt With Cracks (Acceptable):

V-Ribbed Serpentine Drive Belt with Cracks Across Ribs

V-Ribbed Belt With Chunks Of Rib Missing (Not Acceptable):

V-Ribbed Serpentine Drive Belt with Chunks of Rib Missing

2. Inspect the drive belt for chunking, fraying and wear. Refer to the illustrations.
3. Check the drive belt for correct routing.