Hummer H2. Manual - part 2042

Fig. 39: Steering Column Leaf Spring Fasteners 
Courtesy of GENERAL MOTORS CORP. 

4. Position the alignment posts of the inflatable restraint module to the holes that are located on the steering 

wheel housing.  

5. Push the inflatable restraint module into the steering wheel in order to engage and in order to latch the 2 

leaf spring fasteners (1).  

6. After installation, pull the sides of the inflatable restraint module in order to ensure that both leaf spring 

fasteners are engaged.  

7. Enable the inflatable restraint steering wheel module. Refer to SIR Disabling and Enabling Zone 3 .  

INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL REPLACEMENT (COIL) 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

Tools Required 

J 42640 Steering Column Anti Rotation Pin 

Removal Procedure 

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

Fig. 40: Steering Wheel & Steering Shaft 
Courtesy of GENERAL MOTORS CORP. 

2. Verify the following before removing the SIR coil: 

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The wheels on the vehicle are straight ahead. 

CAUTION: Refer to SIR Caution in Cautions and Notices.

NOTE:

The wheels of the vehicle must be straight ahead and the steering column 
in the LOCK position before disconnecting the steering column or 
intermediate shaft from the steering gear. Failure to do so will cause the 
SIR coil assembly to become uncentered, which may cause damage to the 
coil assembly.

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

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That J 42640 is installed or the ignition switch is in the LOCK position.  

3. Remove the steering wheel from the steering shaft. Refer to Steering Wheel Replacement in Steering 

Wheel and Column. 

Fig. 41: Tilt Lever & Steering Column 
Courtesy of GENERAL MOTORS CORP. 

4. On vehicles with a tilt column, pull the tilt lever straight out from the steering column. 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2

  

Fig. 42: Identifying Lower Trim Cover 
Courtesy of GENERAL MOTORS CORP. 

5. Remove 2 TORX(R) head screws (1) from the lower trim cover (2).  

6. Remove the lower trim cover (2). 

 

2004 Hummer H2 

2004 RESTRAINTS SIR - Hummer H2