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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Front Drive Axle) >> Repair Instructions >> Front Differential Carrier Flange Replacement >> 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. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle (Base)Lifting and Jacking the Vehicle (V-Series) .
  2. Remove the front propeller shaft. Refer to Front Axle Propeller Shaft Replacement (LGX, LTG) .
  3. Fig 1: Stake Points For Pinion Retaining Nut
    GM2857733Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The pinion retaining nut is staked in two places and must be unstaked. After the nut is removed, discard the nut.

  4. Using a suitable punch, unstake the pinion retaining nut in both places (1).
  5. Fig 2: Drive Pinion Flange Holding Tool & Shoulder Bolts
    GM2857155Courtesy of GENERAL MOTORS COMPANY
  6. Install the J 8614-01  Holding Tool (1) to the drive pinion flange using DT-44873-2  Shoulder Bolts (2).
  7. Fig 3: Drive Pinion Flange Nut & Washer
    GM2857157Courtesy of GENERAL MOTORS COMPANY
  8. Using the appropriate size socket and a breaker bar, remove the drive pinion flange nut (1) and washer (2).
  9. Fig 4: Removing Drive Pinion Flange
    GM2857262Courtesy of GENERAL MOTORS COMPANY
  10. Install the forcing screw and adapter (1) of J 8614-01  holding tool to the drive pinion flange (2).
  11. Tighten the forcing screw of J 8614-01  holding tool to remove the drive pinion flange.
  12. Remove the J 8614-01  holding tool from the drive pinion flange.
  13. Fig 5: Drive Pinion Seal
    GM2857502Courtesy of GENERAL MOTORS COMPANY
  14. If necessary, using a flat-bladed tool, remove the drive pinion seal (1). Take care not to damage any sealing surfaces.