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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Wheel Drive Shafts) >> Repair Instructions >> Rear Wheel Drive Shaft Replacement - Right Side (LGX, LGT) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the right rear tire and wheel assembly. Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series October 4th 2015 and Earlier)Tire and Wheel Removal and Installation (V-Series October 5th 2015 and Later)
  2. Exhaust System - Remove - Exhaust System Replacement (LGX)
  3. Rear Suspension Lower Control Arm Cover - Remove - Rear Suspension Lower Control Arm Cover Replacement
  4. Upper Control Arm @ Knuckle - Separate - Upper Control Arm Replacement
  5. Upper Trailing Arm @ Knuckle - Separate Trailing Arm Replacement (Upper)Trailing Arm Replacement (Lower)
    6. Fig 1: Different Design Of Axle Nuts
    GM4566001Courtesy of GENERAL MOTORS COMPANY
  6. Two designs of axle nut can be encountered.
    1. First Design (Staking Style) (1)
    2. Second Design (Prevailing Torque Style) (2)
  7. For first design (1):
    8. Fig 2: Drive Shaft Slots
    GM4318167Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Make sure that the wheel drive shaft nut is fully un-staked to avoid damage to the wheel drive shaft threads during the removal of the wheel drive shaft nut. Failure to follow these instructions could result in wheel, nut, and/or stud damage.

  8. Using a suitable punch and a hammer, unstake the drive shaft nut collar from the drive shaft slots.
    9. Fig 3: Breaker Bar, Proper Size Socket And Wheel Drive Shaft Nut
    GM4175443Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT use air tools to remove the wheel drive shaft nut. Use hand tools ONLY.

  9. With the aid of an assistant holding the brake pedal down, use a breaker bar (1) and the proper size socket (2) to loosen the wheel drive shaft nut (3).
    10. Fig 4: Wheel Drive Shaft Nut
    GM4318168Courtesy of GENERAL MOTORS COMPANY
  10. Wheel Drive Shaft Nut - Remove and DISCARD
  11. For second design (2):
    12. Fig 5: Breaker Bar, Proper Size Socket And Wheel Drive Shaft Nut
    GM4175443Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT use air tools to remove the wheel drive shaft nut. Use hand tools ONLY.

  12. With the aid of an assistant holding the brake pedal down, use a breaker bar (1) and the proper size socket (2) to loosen the wheel drive shaft nut (3).
    13. Fig 6: Wheel Drive Shaft Nut
    GM4566845Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT reuse wheel drive shaft nut. DISCARD and replace with NEW only.

  13. Wheel Drive Shaft Nut - Remove and DISCARD
    14. Fig 7: Wheel Bearing Puller
    GM4318178Courtesy of GENERAL MOTORS COMPANY
  14. Using the J-45859  puller {1}, separate the wheel drive shaft from the wheel bearing/hub assembly.
    15. Fig 8: Wheel Drive Shaft And Output Shaft Flange
    GM4174907Courtesy of GENERAL MOTORS COMPANY
  15. Mark the relationship of the wheel drive shaft to the differential flange.
    16. Fig 9: Wheel Drive Shaft Bolts and Washers
    GM4318186Courtesy of GENERAL MOTORS COMPANY
  16. Wheel Drive Shaft Bolt - Remove
  17. Wheel Drive Shaft Washer - Remove and DISCARD
    18. Fig 10: Wheel Drive Shaft
    GM4318191Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Reposition the knuckle to allow the inner joint to pass the rear differential flange. It may be necessary to use a flat bladed tool to separate the wheel drive shaft from the differential flange.

  18. Wheel Drive Shaft - Remove
    19. Fig 11: Wheel Drive Shaft And Washer
    GM4174916Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT reuse wheel drive shaft washer. Discard and replace with NEW only.

  19. Remove and DISCARD the washer from the wheel drive shaft.
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