Hummer H2. Manual - part 1955

AIR TEMPERATURE ACTUATOR REPLACEMENT - LEFT

Removal Procedure 

1. Remove the I/P insulator panel. Refer to Insulator Replacement - Instrument Panel (I/P) in Instrument 

Panel, Gauges and Console. 

Fig. 23: Left Air Temperature Actuator & HVAC Module Assembly 
Courtesy of GENERAL MOTORS CORP. 

2. Disconnect the electrical connector (1) from the left air temperature actuator (2).  

3. Remove the screws from the left air temperature actuator (2).  

4. Remove the left air temperature actuator (2) from the HVAC module assembly (3).  

Installation Procedure 

 

2004 Hummer H2 

2004 HVAC HVAC Systems - Automatic - Hummer H2

  

Fig. 24: Left Air Temperature Actuator & HVAC Module Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Install the left air temperature actuator (2) to the HVAC module assembly (3). 

2. Install the screws to the left air temperature actuator (2). 

Tighten: Tighten the screws to 2 N.m (18 lb ft). 

3. Install the electrical connector (1) to the left air temperature actuator (2).  

4. Install the I/P insulator panel. Refer to Insulator Replacement - Instrument Panel (I/P) in Instrument 

Panel, Gauges, and Console.  

5. Reprogram the air temperature actuator. Refer to Re-Calibrating Actuators .  

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 HVAC HVAC Systems - Automatic - Hummer H2

  

AIR TEMPERATURE SENSOR REPLACEMENT - UPPER RIGHT

Removal Procedure 

1. Open the I/P compartment door.  

2. Lower the I/P compartment door. 

Fig. 25: Upper Right Air Temperature Sensor & Air Distributor Duct 
Courtesy of GENERAL MOTORS CORP. 

3. Disconnect the electrical connector (1) from the upper right air temperature sensor (2).  

4. Remove the upper right air temperature sensor (1) from the air distributor duct (3).  

 

2004 Hummer H2 

2004 HVAC HVAC Systems - Automatic - Hummer H2

  

Installation Procedure 

Fig. 26: Upper Right Air Temperature Sensor & Air Distributor Duct 
Courtesy of GENERAL MOTORS CORP. 

1. Install the upper right air temperature sensor (1) to the air distributor duct (3).  

2. Connect the electrical connector (1) to the upper right air temperature sensor (2).  

3. Close the I/P compartment door.  

AIR TEMPERATURE SENSOR REPLACEMENT - UPPER LEFT 

Removal Procedure 

 

2004 Hummer H2 

2004 HVAC HVAC Systems - Automatic - Hummer H2