Navigator 4WD V8-5.4L SOHC VIN L (1998)
Drive Belt: Component Tests and General Diagnostics
Belt Tension
NOTE: Drive belt tension is not adjustable.
The drive belt tensioner automatically adjusts drive belt tension.
Check the automatic drive belt tensioner:
1. With the engine off, check for proper drive belt routing.
2. Rotate the drive belt tensioner and check for a binding or frozen condition. Replace components as required.
Cracking/Chunking/Wear
V-Ribbed Belt With Cracks (Acceptable)
Vee Ribbed Serpentine Drive Belt With Cracks Across Backing
V-Ribbed Belt With Chunks Of Rib Missing (Not Acceptable)
Vee Ribbed Belt With Chunks of Rib Missing
Drive Belt Misalignment
CAUTION: Incorrect drive belt installation will cause excessive drive belt wear and may cause the drive belt to come off the drive pulleys.
Non-standard replacement drive belts may track differently or improperly. If a replacement drive belt tracks improperly, replace it with an original
equipment drive belt to avoid performance failure or loss of drive belt.