Hummer H2. Manual - part 1984

1. Disconnect the electrical connector from the A/C refrigerant pressure sensor.  

2. Remove the A/C refrigerant pressure sensor from the evaporator tube.  

Installation Procedure 

Fig. 48: A/C Refrigerant Pressure Sensor & Evaporator Tube 
Courtesy of GENERAL MOTORS CORP. 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

1. Install the A/C refrigerant pressure sensor. 

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

2. Connect the electrical connector to the A/C refrigerant pressure sensor.  

CONDENSER REPLACEMENT 

Tools Required 

J 39400-A Halogen Leak Detector. See Special Tools and Equipment . 

Removal Procedure 

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .  

2. Remove the transmission oil cooler. Refer to Transmission Fluid Auxiliary Cooler Replacement in 

Automatic Transmission - 4L60-E.  

3. Remove the power steering cooler. Refer to Power Steering Cooler Replacement in Power Steering 

System.  

4. Remove the bolt and nut from the left hood spring.  

5. Remove the bolt and nut from the right hood spring. 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 49: Discharge Hose Nut & Condenser 
Courtesy of GENERAL MOTORS CORP. 

6. Remove the nut (1) from the condenser (2).  

7. Remove the compressor discharge hose assembly (3) from the condenser (2). 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 50: Evaporator Tube & Condenser 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the evaporator tube nut (2) from the condenser (1).  

9. Remove the evaporator tube (3) from the condenser (1).  

10. Remove the bolts (2) from the condenser (3). 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2