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Disassembling Ring Gear & Differential Housing

WARNING: This page is about a different car, the 2003 Chevrolet Corvette and 2002 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the differential case assembly onto the Differential Holding Fixture (J 42173). Remove the ring gear bolts and ring gear. Discard the ring gear bolts. See Fig 1.
    Fig 1: Exploded View Of Drive Pinion Assembly
    G97B03674Courtesy of GENERAL MOTORS CORP.
  2. Install the Differential Side Bearing Remover (J 42159) onto the right differential side bearing. Remove the right side bearing from the differential using J 42159, Side Gear Compressor (J 42162), and a hydraulic press.
  3. Remove the differential case bolts. Separate the case halves, right and left. Remove the left output shaft and gear from the left case.
    4. NOTE: Friction discs and separator plates develop specific wear patterns. During disc and plate removal, the components must be retained in the specific order in which they were removed.
    Fig 2: Exploded View Of Left Clutch Pack
    G00061884Courtesy of GENERAL MOTORS CORP.
  4. Remove the left clutch pack from the left case. Remove the separator plates. Remove the friction discs. Remove the friction disc (thick). Remove the Belleville washer. See Fig 2. Tag the clutch pack to indicate the position of the components.
  5. Install the J 42159 onto the left differential side bearing. Remove the left side bearing from the differential using J 42159, J 42162, and a hydraulic press.
  6. Remove the "C" clip from the left output shaft. Remove the gear from the left output shaft. Using the J 42162 and a hydraulic press, compress the bellville washer and clutch pack in order to remove the cross pin from the differential right case.
  7. Remove the side gears, side gear washers, and right output shaft and gear from the differential right case. See Figure.
    8. NOTE: Friction discs and separator plates develop specific wear patterns. During disc and plate removal, the components must be retained in the specific order in which they were removed.
    Fig 3: Exploded View Of Right Clutch Pack
    G00061882Courtesy of GENERAL MOTORS CORP.
  8. Remove the right clutch pack from the right case. Remove the bellville washer. Remove the friction disc (thick). Remove the friction discs. Remove the separator plates. See Fig 3. Tag the clutch pack to indicate the position of the components.
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