F 250 2WD Pickup V8-5.4L CNG VIN M (1999)
Drive Belt: Initial Inspection and Diagnostic Overview
1. Verify the concern by running the engine.
V-Ribbed Belt With Cracks (Acceptable)
V-Ribbed Belt With Chunks Of Rib Missing (Not Acceptable)
2. Inspect the drive belt for chunking, fraying and wear. Refer to the illustrations.
3. Check the drive belt for correct routing.