Transfer Case Assembly Replacement

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Transfer Case Assembly & Seal

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement . Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement . Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement . Drain the fluid from the transfer case. Refer to Transfer Case Fluid Replacement . Disconnect the electrical connectors and remove the electrical harness from the transfer case. Remove the crossmember. Refer to Transmission Support Crossmember Replacement (2WD 1500/2500) or Transmission Support Crossmember Replacement (2WD 2500 HD/3500) or Transmission Support Crossmember Replacement (4WD 1500/2500) or Transmission Support Crossmember Replacement (4WD 2500 HD/3500) . Remove the transmission mount. Refer to Transmission Mount Replacement (2WD) or Transmission Mount Replacement (4WD) for the 4L60-E/4L65-E/4L70-E Transmission, or Transmission Mount Replacement (2WD) or Transmission Mount Replacement (4WD) for the 6L50/6L80/6L90 transmission.
1	Transfer Case Nut NOTE: Refer to Fastener Notice . Tighten: 50 N.m (37 lb ft)
2	Transfer Case
3	Transfer Case Gasket Tip: Install a NEW gasket without the use of any type of sealant or lubricant.