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Transfer Case Rear Oil Seal: Removal

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 GMC C3500 HD, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Tools Required are Output Shaft Seal Installer (J-37668-A), and Transfer Case Rear Bushing Remover and Installer (J-45380)
  1. Raise and suitably support the vehicle. Remove the transfer case shield. Remove the rear propeller shaft. See appropriate DRIVE SHAFTS & UNIVERSAL JOINTS article in DRIVE AXLES. Remove the transfer case rear output shaft seal. See Fig 1.
  2. Inspect the rear output shaft bushing for scoring or wear. Remove the rear output shaft bushing if required, using the transfer case rear bushing remover and installer.
  3. Install the finger section of the transfer case rear bushing remover and installer in front of the bushing. Install the tube and forcing screw to the finger section.
  4. Ensure the forcing screw is backed out. See Fig 2. Using a wrench on the forcing screw, remove the rear output shaft bushing.
Fig 1: Removing Transfer Case Rear Oil Seal
G00101609Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing Transfer Case Output Shaft Bushing
G00101610Courtesy of GENERAL MOTORS CORP.
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