Hummer H2. Manual - part 1403

Fig. 69: Coolant Air Bleed Hose & Pipe 
Courtesy of GENERAL MOTORS CORP. 

6. Reposition the hose clamp at the pipe.  

7. Remove the coolant air bleed hose (1) from the pipe (2).  

8. Remove the coolant air bleed hose from the vehicle.  

Installation Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 70: Coolant Air Bleed Hose & Pipe 
Courtesy of GENERAL MOTORS CORP. 

1. Install the coolant air bleed hose (1) to the pipe (2).  

2. Position the hose clamp at the pipe. 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 71: Coolant Air Bleed Hose 
Courtesy of GENERAL MOTORS CORP. 

3. Install the coolant air bleed hose to the throttle body.  

4. Position the coolant air bleed hose clamp at the throttle body.  

5. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement 

in Engine Controls - 4.8L, 5.3L and 6.0L.  

6. Install the engine sight shield. Refer to Engine Sight Shield Replacement (6.0L (LQ4) in Engine 

Mechanical - 4.8L, 5.3L and 6.0L.  

7. Add engine coolant, if necessary.  

WATER PUMP REPLACEMENT 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Removal Procedure 

Fig. 72: Air Cleaner Outlet Duct 
Courtesy of GENERAL MOTORS CORP. 

1. Drain the cooling system. Refer to Draining and Filling Cooling System .  

2. Loosen the air cleaner outlet duct clamps at the following locations: 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2