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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1121 (Rear Drive Axle) >> Repair Instructions >> Drive Pinion Flange/Yoke and/or Oil Seal 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 exhaust system. Refer to Exhaust System Replacement (With LY7 and LLT) or Exhaust System Replacement (With LP1) .
  3. Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement (RWD) or Rear Propeller Shaft Replacement (AWD) .
    4. Fig 1: View Of Flange Tool
    GM804354Courtesy of GENERAL MOTORS CORP.
  4. Use the J 45012  to hold the pinion flange.
  5. Using the J 34826  , remove the drive pinion nut. See Special Tools .
    6. Fig 2: View Of J 45019
    GM819957Courtesy of GENERAL MOTORS CORP.
  6. Using the J 45019  , remove the flange.
  7. Using a flat-bladed tool, remove the drive pinion seal. Take care not to damage any sealing surfaces.
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