Cause | Correction |
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Important: Inspect for the proper gear oil levels prior to performing system diagnosis. Refer to Front Axle Lubricant Level Inspection . | |
Low gear oil levels | Faulty oil seals or other type leaks may contribute to lower than required fluid levels. Refer to Front Axle Lubricant Leak Diagnosis . Fill to the proper level with the correct gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers and Front Axle Lubricant Level Inspection . |
Worn, loose, or damaged axle mount and/or bracket | Repair or replace the axle mount and/or bracket as required. |
Bearing noise within the differential assembly | A grinding or roar type noise will increase or decrease relative to the vehicle speed.
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Gear set whine noise within the differential assembly | A whine type noise will increase or decrease relative to the vehicle speed, approximately 31-37 km/h (50-60 mph). Typical causes of a gear set whine type noise may include incorrect backlash and/or pinion depth adjustment or worn or scored gear set teeth.
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