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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1884 (Transfer Case - NVG 900) >> Repair Instructions >> Pinion Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Differential Bracket & Bolts
    GM934590Courtesy of GENERAL MOTORS CORP.
  1. Remove the 3 bolts from the bracket (1).
  2. Remove the bracket (1).
    3. Fig 2: View Of Drain Plug
    GM934594Courtesy of GENERAL MOTORS CORP.
  3. Remove the drain plug (1).
    4. Fig 3: View Of Fill Plug
    GM978092Courtesy of GENERAL MOTORS CORP.
  4. Remove the fill plug (1) and drain the fluid.
    5. Fig 4: Installing J44873 & 2 Attaching Bolts
    GM978224Courtesy of GENERAL MOTORS CORP.
  5. Install the J 44873  and the 2 attaching bolts to the pinion flange.
    6. Fig 5: Removing Pinion Nut Using Breaker Bar & Ratchet 27 mm Socket
    GM934617Courtesy of GENERAL MOTORS CORP.
  6. Using a breaker bar and a ratchet with a 27 mm socket, remove the pinion nut.
    7. Fig 6: Using J8614-01
    GM934608Courtesy of GENERAL MOTORS CORP.
  7. Insert the J 8614-01  (1) through the slots in the J 44873  . See Special Tools .
  8. Turn the blue collar until it locks into the grooves on the underside of the J 44873  .
    9. IMPORTANT: Use high pressure grease on the screw threads.
  9. Tighten the forcing screw to remove the pinion flange.
    10. Fig 7: Removing J44873
    GM978282Courtesy of GENERAL MOTORS CORP.
  10. Remove the J 44873  (2), the 2 attaching bolts and the J 8614-01  (1) from the pinion flange. See Special Tools .
    11. Fig 8: View Of Oil Seal & Slinger Washer
    GM850509Courtesy of GENERAL MOTORS CORP.
  11. Remove the oil seal (1) and slinger washer (2) from the housing.
    12. Fig 9: View Of Side Cover
    GM852575Courtesy of GENERAL MOTORS CORP.
  12. Remove all bolts (2) from the side cover (1).
  13. Use the pry point relief slots to remove the cover.
    14. Fig 10: Removing/Installing Carrier Assembly From The Housing
    GM850523Courtesy of GENERAL MOTORS CORP.
  14. Remove the carrier assembly (1) from the housing.
    15. Fig 11: Using Bolts & Attaching J44882
    GM936007Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not use air tools. The use of an air tool will damage the J44882.
    IMPORTANT: Use high pressure grease on the threads of the forcing screw.
  15. Using the bolts supplied, attach the J 44882  to the carrier housing. See Special Tools .
    16. Fig 12: Removing J44882
    GM978411Courtesy of GENERAL MOTORS CORP.
  16. Tighten the forcing screw in order to push out the pinion gear. The gear will spin when it is being pushed out. When the gear stops spinning, stop pushing. The gear teeth will contact the housing.
  17. Remove the J 44882  . See Special Tools .
    18. Fig 13: Driving Out Pinion Shaft
    GM804374Courtesy of GENERAL MOTORS CORP.
  18. Install the old pinion nut on the threads of the pinion shaft. Hold the shaft so the gear head faces up and drive out the pinion shaft so that it does not contact the housing.
    19. Fig 14: Removing/Installing Collapsible Spacer, Pinion Shaft & Bearing Onto The Pinion Shaft
    GM934679Courtesy of GENERAL MOTORS CORP.
  19. Remove the bearing (1), collapsible spacer (2), and pinion shaft (3) from the housing.
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