3C
Noise
Diagnose transfer assembly after performing 4WD control system check described in 4WD Control System Check .
Condition Possible Cause Action
Noise
Inadequate or insufficient lubricant
Replenish transfer oil referring to Transfer Gear Oil Change .
Damaged or worn bearing(s)
Check bearing(s) referring to Transfer Inspection .
Damaged or worn gear(s)
Check gear(s) referring to Transfer Inspection .
Damaged or worn synchronizer ring(s)
Check synchronizer ring(s) referring to Transfer Inspection .
Damaged or worn chamfered tooth on sleeve(s) and/or gear(s)
Check sleeve(s) and/or gear(s) referring to Transfer Inspection .
Defective front differential
Check front differential referring to Front Differential Symptom Diagnosis:Front .