Hummer H2. Manual - part 2223

Fig. 28: Front Compressor Mounting Bolts 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the front compressor mounting bolts. 

9. Disconnect the air lines. Refer to Air Suspension Air Line Replacement .  

10. Remove the compressor assembly from the vehicle.  

Installation Procedure 

1. Install the compressor assembly to the vehicle. 

2. Install the air lines. 

IMPORTANT: Note the port location of the air lines for reassembly.

IMPORTANT: Check the air supply lines for deep scores or cuts. If the air supply lines 

are damaged the lines must be replaced.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2

  

Fig. 29: Rear Compressor Mounting Bolts 
Courtesy of GENERAL MOTORS CORP. 

3. Install the rear air spring compressor mounting nuts and bolts. 

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2

  

Fig. 30: Front Compressor Mounting Bolts 
Courtesy of GENERAL MOTORS CORP. 

4. Install the front air spring compressor mounting bolts. 

Tighten: Tighten the bolts to 50 N.m (37 lb ft).

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2

  

Fig. 31: Air Spring Compressor Electrical Connector 
Courtesy of GENERAL MOTORS CORP. 

5. Connect the air spring compressor electrical connector.  

6. Connect the ground strap. 

Tighten: Tighten bolt to 6 N.m (53 lb in). 

7. Connect the air inflator switch electrical connector.  

8. Remove the support from the compressor 

IMPORTANT: If the rear axle was allowed to hang unsupported, lower the vehicle far 

enough to allow the air spring to be manually engaged to the support on 
the axle tube with minimal distortion of the air spring bladder. Ensure that 
the air spring is fully engaged to the axle support.

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2