Hummer H2. Manual - part 2008

Fig. 140: Mode Actuator 
Courtesy of GENERAL MOTORS CORP. 

10. Connect the electrical connector (3) to the mode actuator (4).  

11. Install the mode actuator (4) to the HVAC module assembly (1).  

12. Install the screws to the mode actuator (4). 

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

13. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement . 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

RECIRCULATION DOOR REPLACEMENT

Removal Procedure 

1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .  

2. Remove the wiring harness from the recirculation housing (1).  

3. Remove the screws from the upper recirculation housing (1). 

Fig. 141: Air Distribution Housing And HVAC Module 
Courtesy of GENERAL MOTORS CORP. 

4. Remove the upper recirculation housing (1) from the HVAC module assembly (2).  

5. Disconnect the electrical connector from the recirculation actuator (1).  

6. Remove the screws from the recirculation actuator (1). 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 142: Recirculation Actuator And Recirculation Housing 
Courtesy of GENERAL MOTORS CORP. 

7. Remove the recirculation actuator (1) from the recirculation housing (2). 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 143: Recirculation Door & Recirculation Housing 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the recirculation door (1) from the recirculation housing (2).  

Installation Procedure 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2