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Rear Differential Symptom Diagnosis
Condition
Gear noise
Bearing noise
Oil leakage
Diagnosis
Possible Cause
Deteriorated or water mixed lubricant
Inadequate or insufficient lubricant
Maladjusted backlash between bevel pinion
and gear
Improper tooth contact in the mesh between
bevel pinion and gear
Loose bevel gear securing bolts
Damaged side gear(s) or side pinion(s)
(Constant noise) Deteriorated or water mixed
lubricant
(Constant noise) Inadequate or insufficient
lubricant
(Noise while coasting) Damaged bearing(s) of
bevel pinion
(Noise while turning) Damaged differential side
bearing(s)
Clogged breather plug
Worn or damaged oil seal
Excessive oil
REAR DIFFERENTIAL 7F-3
Correction
Repair and replenish.
Repair and replenish.
Adjust and prescribed.
Adjust or replace.
Replace or retighten.
Replace.
Repair or replenish.
Repair or replenish.
Replace.
Replace.
Clean.
Replace.
Adjust oil level.
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