Hummer H2. Manual — part 2009
Fig. 144: Recirculation Door & Recirculation Housing
Courtesy of GENERAL MOTORS CORP.
1. Install the recirculation door (1) to the recirculation housing (2).
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
Fig. 145: Recirculation Actuator And Recirculation Housing
Courtesy of GENERAL MOTORS CORP.
2. Install the recirculation actuator (1) to the recirculation housing (2).
3. Install the screws to the recirculation actuator (1).
Tighten: Tighten the screws to 2 N.m (18 lb in).
4. Connect the electrical connection to the recirculation actuator (1).
NOTE:
Refer to Fastener Notice in Cautions and Notices.
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
Fig. 146: Air Distribution Housing And HVAC Module
Courtesy of GENERAL MOTORS CORP.
5. Install the upper recirculation housing (1) to the HVAC module assembly (2).
6. Install the screws to the upper recirculation housing (1).
Tighten: Tighten the screws to 2 N.m (18 lb in).
7. Install the wiring harness to the recirculation housing (1).
8. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
HEATER CORE REPLACEMENT
Removal Procedure
1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
2. Remove the screws from the heater core cover.
Fig. 147: Heater Core Cover And HVAC Module Assembly
Courtesy of GENERAL MOTORS CORP.
3. Remove the heater core cover (1) from the HVAC module assembly (2).
2004 Hummer H2
2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2
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