Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Raise the vehicle.
Remove the transfer case shields. Refer to Transfer Case Shield Replacement .

Fig 1: Transfer Case Shield

Courtesy of GENERAL MOTORS CORP.

Remove the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - FRONT .
Remove the rear propeller shaft.
- For vehicles equipped with the one piece propeller shaft, refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE .
- For vehicles equipped with the two piece propeller shaft, refer to PROPELLER SHAFT REPLACEMENT - TWO PIECE .
Remove the motor/encoder electrical connector.

Fig 2: Motor/Encoder Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the transfer case vent hose.

Fig 3: Transfer Case Vent Hose
Courtesy of GENERAL MOTORS CORP.
Remove the transfer case electrical wiring harness.
Important: Make sure that the transfer case is properly secured to the transmission jack.
Support the transfer case with a suitable transmission jack.

Fig 4: Transfer Case Assembly
Courtesy of GENERAL MOTORS CORP.

Important: When removing the NVG 246 transfer case from the transmission, it is not necessary to remove the transmission mount or the transfer case adapter in order to remove the transfer case.
Remove the transfer case retaining nuts from the transfer case studs.

Fig 5: Transfer Case Retaining Nut-To-Transfer Case Stud
Courtesy of GENERAL MOTORS CORP.
Separate the transfer case from the transmission by moving it straight back toward the rear of the vehicle.
Rotate the transfer case so that it is perpendicular to the transmission assembly.
Lower the transfer case.