Hummer H2. Manual - part 2146

Tighten: Tighten the upper intermediate shaft to the steering column pinch bolt nut to 62 N.m (46 lb ft).

Fig. 12: Inserting J 42640 To Lock The Steering Column 
Courtesy of GENERAL MOTORS CORP. 

6. Unlock the steering column by removing J 42640 from the steering column lower trim cover access hole. 

INTERMEDIATE STEERING SHAFT REPLACEMENT - LOWER 

Tools Required 

J 42640 Steering Column Lock Pin 

Removal Procedure 

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

Fig. 13: Inserting J 42640 To Lock Steering Column 
Courtesy of GENERAL MOTORS CORP. 

NOTE:

Once the steering column is removed from the vehicle, the column is extremely 
susceptible to damage. Dropping the column assembly on the end could 
collapse the steering shaft or loosen the plastic injections, which maintain 
column rigidity. Leaning on the column assembly could cause the jacket to 
bend or deform. Any of the above damage could impair the columns collapsible 
design. Do NOT hammer on the end of the shaft, because hammering could 
loosen the plastic injections, which maintain column rigidity. If you need to 
remove the steering wheel, refer to the Steering Wheel Replacement procedure 
in this section.

NOTE:

The front wheels of the vehicle must be maintained in the straight ahead 
position and the steering column must be in the LOCK position before 

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

1. Turn the steering wheel so that the front wheels are pointing straight ahead.  

2. Turn the ignition switch to the lock position and remove the key.  

3. Lock the steering column through the access hole in the lower steering column trim cover using J 42640 . 

disconnecting the steering column or intermediate shaft. Failure to follow 
these procedures will cause improper alignment of some components 
during installation and result in damage to the SIR coil assembly.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

Fig. 14: Upper Intermediate Shaft & Lower Intermediate Shaft
Courtesy of GENERAL MOTORS CORP. 

4. Remove the upper intermediate shaft to lower intermediate shaft pinch bolt. 

Fig. 15: Lower Intermediate Shaft 
Courtesy of GENERAL MOTORS CORP. 

5. Remove the lower intermediate shaft to the power steering gear input shaft pinch bolt.  

IMPORTANT: Note the relationship of the intermediate shaft to the power steering gear 

and the intermediate shaft to the steering column in order to ensure 
proper installation.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2