YH4
GRAND
VITARA
4A2-2 FRONT DRIVE SHAFT/SHAFT BEARING, OIL SEAL
DIAGNOSIS
DIAGNOSIS TABLE
Condition Possible Cause Correction
When starting:
Abnormal Noise
Loose wheel nuts.
Loose drive shaft flange bolts.
Broken or otherwise damaged wheel
bearing.
Tighten wheel nuts.
Tighten drive shaft flange bolts.
Replace or change.
When making turns:
Abnormal Noise
Grease leakage from drive shaft joint
boot.
Worn or broken drive shaft joint.
Replace joint boot and apply grease.
Replace drive shaft joint.
When running:
Abnormal Noise
Broken drive shaft joint.
Poorly lubricated or worn drive
shaft joint.
Loose drive shaft flange bolts.
Deformed drive shaft oil seal.
Replace drive shaft joint.
Lubricate or replace joint.
Tighten drive shaft flange bolts.
Replace.
Vibration Worn drive shaft joint.
Deformed drive shaft oil seal.
Deformed drive shaft.
Replace drive shaft joint.
Replace.
Replace.
DRIVE SHAFT BOOT AND JOINT CHECK
Check drive shaft boot for tear. If even a small tear is noted, replace
with new one.
Check drive shaft joint for wear, breakage and other damage and
replace if any defect exists.