Installation Procedure

Important:  If the gasket or the seal becomes damaged, replace it. DO NOT use any type of silicone sealer or liquid gasket maker in place of the seal or gasket.

1. Install a NEW transfer case adapter seal.
2. Install the transfer case adapter.
   NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
3. Install the transfer case adapter bolts.

   Tighten 

   Tighten the bolts to 50 N.m (37 lb ft).

   Fig 1: Removing Transfer Case Adapter, Bolts & Seal

   Courtesy of GENERAL MOTORS CORP.
4. Install the transmission mount.
   Fig 2: Installing Transmission Mount

   Courtesy of GENERAL MOTORS CORP.
5. Install the transmission mount bolts.

   Tighten 

   Tighten the bolts to 47 N.m (35 Lb ft).

   Fig 3: Installing Transmission Mount Bolts

   Courtesy of GENERAL MOTORS CORP.
6. Install the crossmember.
7. Install the crossmember bolts.

   Tighten 

   Tighten the bolts to 70 N.m (52 Lb ft).

   Fig 4: Installing Crossmember & Bolts

   Courtesy of GENERAL MOTORS CORP.
8. Install the transmission mount nuts.

   Tighten 

   Tighten the nuts to 40 N.m (30 Lb ft).

9. Remove the transmission jack.
   Fig 5: Installing Transmission Mount Nuts

   Courtesy of GENERAL MOTORS CORP.
10. Install a NEW transfer case gasket, if necessary.
11. Install the transfer case. Refer to TRANSFER CASE ASSEMBLY REPLACEMENT  .
12. Check the fluid level. Add fluid if necessary.
    Fig 6: Installing Transfer Case Gasket

    Courtesy of GENERAL MOTORS CORP.