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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 209 (Wheel Drive Shafts) >> Repair Instructions >> Rear Wheel Drive Shaft Replacement >> Rear Wheel Drive Shaft Replacement - Left Side (LTG, LGX) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the left rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series)
  2. Remove the exhaust system. Refer to Exhaust System Replacement (LGX)
  3. Remove the upper control arm bolt at the knuckle. Refer to Upper Control Arm Replacement
  4. Remove the trailing arm bolt at the knuckle. Refer to Trailing Arm Replacement (Upper)Trailing Arm Replacement (Lower)
    5. Fig 1: Different Design Of Axle Nuts
    GM4566001Courtesy of GENERAL MOTORS COMPANY
  5. Two designs of axle nut can be encountered.
    1. First Design (Staking Style) (1)
    2. Second Design (Prevailing Torque Style) (2)
  6. For first design (1):
    7. Fig 2: Drive Shaft Slots
    GM2862963Courtesy 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.

  7. Using a suitable punch and a hammer, unstake the drive shaft nut collar from the drive shaft slots (1).
    8. Fig 3: Breaker Bar
    GM2863061Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  8. With the aid of an assistant holding the brake pedal down, use a breaker bar (1) and the proper size socket to loosen the wheel drive shaft nut.
    9. Fig 4: Wheel Drive Shaft Retaining Nut
    GM2862966Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  9. Remove and discard the wheel drive shaft retaining nut (1).
  10. For second design (2):
    11. Fig 5: Breaker Bar, Socket And Wheel Drive Shaft Nut
    GM4174884Courtesy of GENERAL MOTORS COMPANY
  11. 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).
    12. Fig 6: Wheel Drive Shaft Retaining Nut
    GM4565957Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  12. Remove and DISCARD the wheel drive shaft retaining nut (2).
    13. Fig 7: Wheel Bearing/Hub Assembly Puller
    GM899220Courtesy of GENERAL MOTORS COMPANY
  13. Using the J-45859  puller, separate the wheel drive shaft from the wheel bearing/hub assembly.
    14. Fig 8: Wheel Drive Shaft/Output Flange Relationship Mark
    GM2862968Courtesy of GENERAL MOTORS COMPANY
  14. Mark the relationship (1) of the wheel drive shaft to the output shaft flange.
    15. Fig 9: Wheel Drive Shaft Mounting Bolts & Washers
    GM2862961Courtesy of GENERAL MOTORS COMPANY
  15. Remove and DISCARD the wheel drive shaft mounting bolts (1) and washers (2). Replace with NEW only.
    16. Fig 10: Wheel Drive Shaft
    GM2862962Courtesy 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.

  16. Remove the wheel drive shaft (1) from the vehicle.
    17. Fig 11: Wheel Drive Shaft & Washer
    GM2318020Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  17. Remove and DISCARD the washer (1) from the wheel drive shaft (2).
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