LS V8-3.9L VIN A (2003)
Drive Belt: Initial Inspection and Diagnostic Overview
Inspection and Verification
1. Verity 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 Chunks of Rib Missing
V-Ribbed Belt With Piling
NOTE: Piling is an excessive buildup in the V-grooves of the belt.
