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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 >> Output Shaft Seal Replacement - Left Side >> 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. Remove the carrier from the vehicle. Refer to Differential Carrier Assembly Replacement .
    2. Fig 1: View Of Pinion Housing Bolts
    GM1205616Courtesy of GENERAL MOTORS CORP.
  2. Remove the bolts from the pinion bearing housing.
    3. Fig 2: Installing J 45019 And Slide Hammer
    GM1204943Courtesy of GENERAL MOTORS CORP.
  3. Install the J 45019  and slide hammer. See Special Tools .
    4. Fig 3: Heating Around Pinion Housing
    GM1204944Courtesy of GENERAL MOTORS CORP.
  4. Using the J 25070  , apply heat around the pinion housing to ease removal.
  5. Remove the J 45019  from the flange. See Special Tools .
    6. Fig 4: View Of Pinion Housing
    GM1204945Courtesy of GENERAL MOTORS CORP.
  6. Remove the pinion assembly, O-ring, and the shims from the from differential carrier.
    7. Fig 5: View Of Carrier Cover
    GM1204947Courtesy of GENERAL MOTORS CORP.
  7. Remove the carrier side cover bolts.
  8. Using the appropriate tool in the pry tabs, remove the carrier side cover.
  9. Remove the O-ring from the side cover.
    10. Fig 6: View Of Differential Assembly
    GM1204949Courtesy of GENERAL MOTORS CORP.
  10. Remove the differential assembly from the carrier.
    11. Fig 7: View Of Right Output Shaft Seal
    GM1204950Courtesy of GENERAL MOTORS CORP.
  11. Remove the right output shaft seal from the cover.
    12. Fig 8: View Of Left Output Shaft Oil Seal
    GM1204953Courtesy of GENERAL MOTORS CORP.
  12. Using a suitable tool, remove the left output shaft oil seal from the carrier.
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