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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1153 (Front Drive Axle) >> Repair Instructions >> Front Differential Drive Pinion Flange/Yoke, Seal, and Dust Deflector Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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 .
  2. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  3. Remove the front axle propeller shaft heat shield. Refer to Shield Replacement .
    4. Fig 1: View Of J 45012
    GM1198447Courtesy of GENERAL MOTORS CORP.
  4. Install the J 45012  to the drive pinion flange. See Special Tools .
    5. Fig 2: View Of Drive Pinion Flange Nut
    GM1198449Courtesy of GENERAL MOTORS CORP.
  5. Using the appropriate size socket and a breaker bar, remove the drive pinion flange nut.
  6. Remove J 45012  from the drive pinion flange. See Special Tools .
    7. Fig 3: Removing Drive Pinion Flange
    GM1855701Courtesy of GENERAL MOTORS CORP.
  7. Install the J 8614-01  to the drive pinion flange. See Special Tools .
  8. Using the J 8614-01  , remove the drive pinion flange. See Special Tools .
  9. Remove the J 8614-01  from the drive pinion flange. See Special Tools .
    10. Fig 4: View of Drive Pinion Seal Assembly
    GM1957338Courtesy of GENERAL MOTORS CORP.
  10. Using a flat-bladed tool, remove the drive pinion seal. Take care not to damage any sealing surfaces.
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