Installation Procedure

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

Important: DO NOT use any type of sealant or adhesive on the transfer case adapter seal.

Install the new transfer case adapter seal.
Install the transfer case adapter.

Fig 1: New Transfer Case Adapter Seal
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the transfer case adapter mounting bolts.
Tighten

Tighten the transfer case adapter mounting bolts to 55 N.m (40 lb ft).

Fig 2: Transfer Case Adapter Mounting Bolts
Courtesy of GENERAL MOTORS CORP.
Install the transmission mount assembly.

Fig 3: Transmission Mount Assembly
Courtesy of GENERAL MOTORS CORP.

Important: Do not reuse the old gasket if it is damaged, replaced it. DO NOT use any type of sealer in place of the gasket.
Install the new transfer case gasket.

Fig 4: New Transfer Case Gasket
Courtesy of GENERAL MOTORS CORP.
Install the transfer case assembly. Refer to TRANSFER CASE ASSEMBLY REPLACEMENT .
Lower the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.