Hummer H2. Manual - part 2219

separate the connection at the sensor. 

Fig. 15: Air Spring Level Sensor 
Courtesy of GENERAL MOTORS CORP. 

6. Remove the air spring level sensor to the frame mounting bolts.  

7. Remove the air spring level sensor.  

Installation Procedure 

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2

  

Fig. 16: Air Spring Level Sensor 
Courtesy of GENERAL MOTORS CORP. 

1. Install the air spring level sensor to the frame. 

2. Install the air spring level sensor to the frame mounting bolts. 

Tighten: Tighten the air spring level sensor to the frame mounting bolts to 8.5 N.m (75 lb in). 

3. Connect the air spring level sensor electrical connector located on the frame. 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2

  

Fig. 17: Air Spring Level Sensor Link 
Courtesy of GENERAL MOTORS CORP. 

4. Install the air spring level sensor link to the upper control arm. 

Tighten: Tighten the bolt to 17 N.m (13 lb ft). 

5. Remove the rear axle support.  

6. Install the rear tire and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels. 

7. Lower the vehicle.  

8. Start the vehicle and run for approximately 2 minutes to ensure that the air spring leveling system is 

functioning properly.  

9. Verify the D height. Refer to Trim Height Inspection Procedure in Suspension General Diagnosis.  

VALVE AUTOMATIC LEVEL CONTROL SOLENOID REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2

  

1. Remove the compressor assembly from the vehicle and place on a bench. Refer to Compressor 

Assembly Automatic Level Control Air Replacement . 

Fig. 18: Solenoid Assembly 
Courtesy of GENERAL MOTORS CORP. 

2. Unlock and disconnect the electrical connector from the pressure transducer/sensor by turning the 

CAUTION: Do NOT remove an air supply pipe in an attempt to depressurize the air 

suspension. Always follow the Air Suspension Depressurization 
Procedure in Air Suspension. Failure to follow this procedure may cause 
personal injury or damage to the vehicle.

 

2004 Hummer H2 

2004 SUSPENSION Air Suspension - Hummer H2