Hummer H2. Manual - part 2144

REPAIR INSTRUCTIONS 

INTERMEDIATE STEERING SHAFT REPLACEMENT - UPPER 

Tools Required 

J 42640 Steering Column Lock Pin 

Removal Procedure 

9

Replacement . 
Did you complete the replacement?

Go to 

Step 13

-

10

Tighten the support screws to specifications. Refer to Fastener 
Tightening Specifications . 
Did you complete the repair?

Go to 

Step 13

-

11

Tighten or replace the intermediate shaft as needed. Refer to 
Intermediate Steering Shaft Replacement - Upper and 
Intermediate Steering Shaft Replacement - Lower . 
Did you complete the repair?

Go to 

Step 13

-

12

Repair or replace the tilt head, support and pivot pins as 
necessary. Refer to Steering Column Tilt Head Housing 
Replacement . 
Did you complete the replacement?

Go to 

Step 13

-

13

Operate the system in order to verify the repair. 
Did you correct the condition?

System 

OK

Go to Step 3

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.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

Fig. 5: Inserting J 42640 To Lock Steering Column 
Courtesy of GENERAL MOTORS CORP. 

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 . 

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 
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. 6: Nut & Bolt To Upper Shaft To Steering Column 
Courtesy of GENERAL MOTORS CORP. 

4. From inside the vehicle remove the upper intermediate shaft to steering column shaft pinch bolt. 

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2

  

Fig. 7: Upper Intermediate Shaft & Lower Intermediate Shaft 
Courtesy of GENERAL MOTORS CORP. 

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

IMPORTANT: Note the direction of upper intermediate shaft to steering column pinch 

bolt for installation. The bolt must be installed in the same direction it was 
removed.

 

2004 Hummer H2 

2004 STEERING Steering Wheel and Column - Hummer H2