Hummer H2. Manual - part 2155

Fig. 48: Installing Inner Race, Upper Bearing Inner Race Seat & Upper Bearing Spring 
Courtesy of GENERAL MOTORS CORP. 

1. Install the inner race (6).  

2. Install the upper bearing inner race seat (5).  

3. Install the upper bearing spring (4). 

4. If replacing the turn signal cancel cam (3), lubricate the new turn signal cancel cam with GM P/N 

12377900 (Canadian P/N 10953529). 

Install the turn signal cancel cam assembly (3). 

5. Install the shaft lock (2) or the cam orientation plate (1). 

IMPORTANT: The electrical contact of the turn signal and multifunction switch 

assembly must rest on the turn signal cancel cam assembly.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

Fig. 49: Depressing Lock Plate 
Courtesy of GENERAL MOTORS CORP. 

6. Install the new bearing retainer using J 23653-SIR and J 42137 . See Special Tools and Equipment .  

7. Remove J 23653-SIR and J 42137 from the steering shaft. See Special Tools and Equipment . 

8. Install the SIR coil. Refer to Inflatable Restraint Steering Wheel Module Coil Replacement (Coil) in 

SIR.  

9. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.  

CAUTION: Refer to SIR Inflator Module Coil Caution in Cautions and Notices.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

MULTIFUNCTION, TURN SIGNAL SWITCH REPLACEMENT

Removal Procedure 

Fig. 50: Locating Turn Signal Switch Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.  

2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .  

3. Tilt the column to the CENTER position.  

4. Disconnect the connectors from the turn signal and multifunction switch assembly.  

5. Remove the turn signal and multifunction switch assembly.  

6. Remove 2 pan head tapping screws from the turn signal and multifunction switch assembly.  

Installation Procedure 

CAUTION: Refer to SIR Caution in Cautions and Notices.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

Fig. 51: Locating Turn Signal Switch Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Install the turn signal and multifunction switch assembly. 

2. Secure by using 2 pan head tapping screws. 

Tighten:  

z

Tighten the screw on the top of the column to 3 N.m (27 lb in).  

z

Tighten the screw on the side to 7 N.m (62 lb in).  

3. Connect the connectors to the turn signal and multifunction switch assembly.  

4. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .  

5. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR.  

TILT LEVER REPLACEMENT 

Removal Procedure 

IMPORTANT: The electrical contact on the turn signal and multifunction switch 

assembly must rest on the turn signal cancel cam assembly.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2