Hummer H2. Manual — part 2154
Removal Procedure
Fig. 44: Upper Column Components
Courtesy of GENERAL MOTORS CORP.
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
2. Remove the steering wheel from the column. Refer to Steering Wheel Replacement .
3. Remove the ignition lock cylinder case assembly. Refer to Ignition Lock Cylinder Case Replacement .
4. Remove the turn signal and multifunction switch assembly. Refer to Multifunction, Turn Signal Switch
Replacement .
5. Slide the turn signal switch housing off of the steering column shaft assembly.
Installation Procedure
CAUTION: Refer to SIR Caution in Cautions and Notices.
2004 Hummer H2
2004 STEERING Steering Wheel and Column - Hummer H2
Fig. 45: Upper Column Components
Courtesy of GENERAL MOTORS CORP.
1. Slide the turn signal switch housing onto the steering column shaft assembly.
2. Install the turn signal and multifunction switch assembly. Refer to Multifunction, Turn Signal Switch
Replacement .
3. Install the ignition lock cylinder case. Refer to Ignition Lock Cylinder Case Replacement .
4. Install the steering wheel onto the column. Refer to Steering Wheel Replacement .
5. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
TURN SIGNAL CANCEL CAM AND STEERING SHAFT UPPER BEARING SPRING
REPLACEMENT
Tools Required
z
J 23653-SIR Steering Column Lock Plate Compressor
IMPORTANT: The turn signal switch housing must be pressed firmly against the
steering column tilt head in order for the screws from the turn signal and
multifunction switch assembly screws to line up.
2004 Hummer H2
2004 STEERING Steering Wheel and Column - Hummer H2
z
J 42137 Steering Column Lock Plate Compressor Adapter. See Special Tools and Equipment .
Removal Procedure
Fig. 46: Depressing Lock Plate
Courtesy of GENERAL MOTORS CORP.
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.
2. Remove the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement (Coil)
in SIR.
CAUTION: Refer to SIR Caution in Cautions and Notices.
2004 Hummer H2
2004 STEERING Steering Wheel and Column - Hummer H2
3. Remove and discard the bearing retainer using J 23653-SIR and J 42137 . See Special Tools and
Equipment .
4. Remove J 23653-SIR and J 42137 from the steering shaft. See Special Tools and Equipment .
Fig. 47: Removing Shaft Lock Or Cam Orientation Plate
Courtesy of GENERAL MOTORS CORP.
5. Remove the shaft lock (2) or the cam orientation plate (1).
6. Remove the turn signal cancel cam assembly (3).
7. Remove the upper bearing spring (4).
8. Remove the upper bearing inner race seat (5).
9. Remove the inner race (6).
Installation Procedure
IMPORTANT: Do not wipe the lubricant off the turn signal cancel cam assembly.
2004 Hummer H2
2004 STEERING Steering Wheel and Column - Hummer H2
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