Front Differential Symptom Diagnosis
FRONT DIFFERENTIAL - DIAGNOSIS PROCEDURE
| Condition | Possible Cause | Action |
|---|---|---|
| Gear noise | Deteriorated or water mixed lubricant | Repair and replenish referring to FRONT DIFFERENTIAL OIL CHANGE:FRONT . |
| Inadequate or insufficient lubricant | Repair and replenish referring to FRONT DIFFERENTIAL OIL CHANGE:FRONT . | |
| Maladjusted backlash between drive bevel pinion and gear | Adjust as prescribed referring to FRONT DIFFERENTIAL ASSEMBLY DISASSEMBLY AND REASSEMBLY:FRONT . | |
| Improper tooth contact in the mesh between drive bevel pinion and gear | Adjust or replace referring to FRONT DIFFERENTIAL ASSEMBLY DISASSEMBLY AND REASSEMBLY:FRONT . | |
| Loose drive bevel gear securing bolts | Replace or retighten referring to FRONT DIFFERENTIAL ASSEMBLY DISASSEMBLY AND REASSEMBLY:FRONT . | |
| Damaged differential gear(s) or differential pinion(s) | Replace referring to FRONT DIFFERENTIAL INSPECTION:FRONT . | |
| Bearing noise | (Constant noise) Deteriorated or water mixed lubricant | Repair and replenish referring to FRONT DIFFERENTIAL OIL CHANGE:FRONT . |
| (Constant noise) Inadequate or insufficient lubricant | Repair and replenish referring to FRONT DIFFERENTIAL OIL CHANGE:FRONT . | |
| (Noise while coasting) Damaged bearing (s) of drive bevel pinion | Replace referring to FRONT DIFFERENTIAL INSPECTION:FRONT . | |
| (Noise while turning) Damaged differential side bearing(s) or axle bearing(s) | Replace referring to FRONT DIFFERENTIAL INSPECTION:FRONT . | |
| Oil leakage | Clogged breather plug | Clean . |
| Worn or damaged oil seal | Replace . | |
| Excessive oil | Adjust oil level referring to FRONT DIFFERENTIAL OIL CHANGE:FRONT . | |
| Loose differential carrier bolts | Replace or retighten . |