Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Remove the transfer case. Refer to TRANSFER CASE ASSEMBLY REPLACEMENT .
Using the J 36825 and the J 23907 remove the seal from the extension housing.

Fig 1: Transmission Housing Oil Seal
Courtesy of GENERAL MOTORS CORP.