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Captiva
   
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Noisy When Coasting

Cause

Correction

Inspect for the proper transaxle and gear oil levels prior to performing system diagnosis. Refer to Transfer Case Fluid Replacement .

Low gear oil level

Inspect the transfer case for leaks, repair as required. Refer to Transfer Case Leak Diagnosis and Adhesives, Fluids, Lubricants, and Sealers .

Incorrect gear oil in the transfer case

Replace the gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .

Loose propeller shaft mounting bolts

Inspect the bolts and replace and tighten, as required. Refer to Propeller Shaft Replacement .

Worn propeller shaft constant velocity joints

Replace the propeller shaft assembly. Refer to Propeller Shaft Replacement .

Worn axle shaft constant velocity joints

Replace the constant velocity joints, as required.

Worn bearing in the differential assembly

Repair or replace the assembly as required.

Bearing noise within the transfer case

    • A grinding noise that occurs at a specific engine speed, regardless of transmission gear, is not within the transfer case.
    • A grinding noise that changes as a transmission shift occurs is not within the transfer case.
    • A grinding noise that changes as vehicle speed changes may be also caused by worn wheel bearings.
    • A grinding noise that changes as the vehicle turns may also be caused by worn wheel bearings and/or tires.
  1. Inspect for the proper fluid level. Fill, as required.
  2. Identity the location of the noise using the CH-39570 Chassis Ears .
  3. If the noise continues, repair or replace the internal components, as required.

Gear set whine noise within the transfer case

    • A whine noise that occurs at a specific engine speed, regardless of transmission gear, is not within the transfer case
    • A whine noise that changes as a transmission shift occurs is not within the transfer case.
    • A whine noise that changes as vehicle speed changes may be also caused by worn wheel bearings.
    • A whine noise that changes as the vehicle turns may also be caused by worn wheel bearings and/or tyres.
  1. Inspect for the proper fluid level. Fill, as required.
  2. Identity the location of the noise using the CH-39570 Chassis Ears .
  3. If the noise continues, repair or replace the internal components, as required.
   


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