Hummer H2. Manual — part 2663
Fig. 11: Transfer Case Drain Plug
Courtesy of GENERAL MOTORS CORP.
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the fill plug from the transfer case.
3. Remove the drain plug from the transfer case.
Installation Procedure
IMPORTANT: When draining the transfer case, make sure that an approved drain pan is
used.
2004 Hummer H2
2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2
Fig. 12: Transfer Case Drain Plug
Courtesy of GENERAL MOTORS CORP.
1. Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads on the drain plug.
2. Install the drain plug in the transfer case.
Tighten: Tighten the drain plug to 25 N.m (18 lb ft).
3. Fill the transfer case to the bottom of the fill hole with the proper fluid.
4. Apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads on the drain plug.
5. Install the fill plug.
Tighten: Tighten the fill plug to 25 N.m (18 lb ft).
6. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
TRANSFER CASE MOTOR/ENCODER REPLACEMENT
Removal Procedure
NOTE:
Refer to Fastener Notice in Cautions and Notices.
IMPORTANT: If the drain or fill plug have to be replaced, used only aluminum
replacement drain plugs.
2004 Hummer H2
2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2
Fig. 13: Transfer Case Encoder/Motor Assembly
Courtesy of GENERAL MOTORS CORP.
1. Remove the transfer case shield. Refer to Transfer Case Shield Replacement .
2. Disconnect the encoder motor electrical connector.
3. Remove the encoder motor bolts.
4. Remove the encoder motor.
5. Remove the actuator insulator.
2004 Hummer H2
2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2
Installation Procedure
IMPORTANT:
z
If the encoder motor is being replaced, ensure that the transfer case is in
the neutral position. Manually shift the transfer case at the shift shaft,
using a crescent wrench if necessary.
z
When installing the encoder motor, ensure that the encoder motor is
indexed correctly and the motor is flat against the transfer case before
tightening the bolts.
2004 Hummer H2
2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2
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