Cause | Correction | ||||||||
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Inspect for the proper transaxle and gear oil levels prior to performing system diagnosis. Refer to Transfer Case Fluid Replacement . | |||||||||
Low gear oil levels | Faulty oil seals or other type of external leaks may contribute to lower than required fluid levels. Refer to Transfer Case Leak Diagnosis . Fill to proper level with gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers . | ||||||||
Worn propeller shaft constant velocity joints | Replace the propeller shaft assembly. Refer to Propeller Shaft Replacement . | ||||||||
Worn bearing in the rear differential torque tube assembly | Replace the torque tube assembly. | ||||||||
Bearing noise within the transfer case 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 transfer case A whine type noise will increase or decrease relative to the vehicle speed. |
Contributing factors may include:
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