Input Shaft Bearing Retainer Rear Seal Installation

Special Tools

• DT-305-1/KM-305-1  Remover/Installer
• DT-49951  Seal Installer

For equivalent regional tools, refer to Special Tools 

1. Clean the transfer case rear extension housing threaded bolt holes. A thread repair tool may be used to clean the threads of old threadlocking material.
2. Spray thread cleaner into the holes. Refer to Adhesives, Fluids, Lubricants, and Sealers .
WARNING:

Wear safety glasses when using compressed air in order to prevent eye injury.

3. Clean the transfer case housing and rear extension housing bolt holes with compressed air.
Fig 1: Installing Input Shaft Bearing Retainer Rear Seal
Courtesy of GENERAL MOTORS COMPANY
NOTE:

Install the NEW seal with the notched surface of the seal facing away from the installer tool.

4. Install the NEW input shaft rear seal (1) to the rear extension housing using the DT-49951  installer (2) and DT-305-1/KM-305-1  remover/installer (3).