Hummer H2. Manual - part 1990

Courtesy of GENERAL MOTORS CORP.

2. Using the J 43181 disconnect the inlet heater hose from the heater core. 

1. Install the J 43181 to the inlet heater core pipe.  

2. Close the tool around the inlet heater core pipe.  

3. Firmly pull the tool into the quick connect end of the heater hose.  

4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the 

heater core.  

Fig. 68: Heater Inlet Hose & Mounting Clip 
Courtesy of GENERAL MOTORS CORP.

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

3. Remove the heater inlet hose (1) from the mounting clip (2). 

Fig. 69: Heater Inlet Hose & Engine 
Courtesy of GENERAL MOTORS CORP. 

4. Reposition the heater inlet hose clamp from the engine.  

5. Remove the heater inlet hose (1) from the engine.  

6. Remove the heater inlet hose (1) from the vehicle.  

Installation Procedure 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 70: Heater Inlet Hose & Engine 
Courtesy of GENERAL MOTORS CORP. 

1. Install the heater inlet hose (1) to the vehicle.  

2. Install the heater inlet hose (1) to the engine.  

3. Install the heater inlet hose clamp to the engine. 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2

  

Fig. 71: Heater Inlet Hose & Mounting Clip 
Courtesy of GENERAL MOTORS CORP. 

4. Install the heater inlet hose (1) to the mounting clip (2). 

 

2004 Hummer H2 

2004 HVAC Heating, Ventilation and Air Conditioning - Hummer H2