Transfer Case Assembly Replacement

WARNING: This page is about a different variant/trim than selected.

Fig 1: Transfer Case Assembly

Courtesy of GENERAL MOTORS COMPANY

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 Rear 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 (4WD 2500 Series) , Transmission Support Crossmember Replacement (4WD 1500 Series) , Transmission Support Crossmember Replacement (2WD 2500 Series) , Transmission Support Crossmember Replacement (2WD 1500 Series) . Remove the transmission mount. Refer to Transmission Mount Replacement (2WD) , Transmission Mount Replacement (4WD) .
1	Transfer Case Nut CAUTION: Refer to Fastener Caution . Tighten 50 (37 lb ft)
2	Transfer Case Procedure NOTE: If installing a new or repaired transfer case, perform the Transfer Case High/Low Clutch reset. Refer to Transfer Case High/Low Clutch Reset . Install a NEW gasket without the use of any type of sealant or lubricant. For MYC and MYD transmissions (dry cavity) applications only, apply GM P/N 12345879 (Canadian P/N 10953511) or equivalent lubricant meeting GM Specification 9985830 to the input shaft splines.

Callout

Component Name

Preliminary Procedures

Transfer Case Nut

CAUTION:

Tighten
50 (37 lb ft)

Transfer Case

Procedure

NOTE:

If installing a new or repaired transfer case, perform the Transfer Case High/Low Clutch reset. Refer to Transfer Case High/Low Clutch Reset .

Install a NEW gasket without the use of any type of sealant or lubricant.
For MYC and MYD transmissions (dry cavity) applications only, apply GM P/N 12345879 (Canadian P/N 10953511) or equivalent lubricant meeting GM Specification 9985830 to the input shaft splines.