F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
Drive Belt: Initial Inspection and Diagnostic Overview
Accessory Drive
Inspection and Verification
1. Verify the concern by running the engine.
2. Inspect the drive belt for chunking, fraying and wear. Refer to the illustrations.
3. Check the drive belt for correct routing.
V-Ribbed Serpentine Drive Belt with Cracks Across Ribs
V-Ribbed Serpentine Drive Belt with Chunks of Rib Missing
