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)
- 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.
- 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.
- 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.
- Ensure the forcing screw is backed out. See Fig 2. Using a wrench on the forcing screw, remove the rear output shaft bushing.