Hummer H2. Manual - part 1411

Fig. 101: Radiator Hose & Radiator (Inlet) 
Courtesy of GENERAL MOTORS CORP. 

12. Install the radiator inlet hose (4) to the radiator (6).  

13. Position the radiator inlet hose clamp (5) to the radiator (6).  

14. Fill the cooling system. Refer to Draining and Filling Cooling System .  

RADIATOR AIR BAFFLE ASSEMBLIES AND DEFLECTORS 

Removal Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 102: Radiator Air Baffles 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the radiator air baffle retainers.  

2. Remove the radiator air baffles (1) from the vehicle (2).  

Installation Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 103: Radiator Air Baffles 
Courtesy of GENERAL MOTORS CORP. 

1. Install the radiator air baffles (1) to the vehicle (2).  

2. Install the radiator air baffle retainers.  

COOLANT HEATER REPLACEMENT 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Dealer Installation Only 

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

2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 

Fig. 104: Oil Cooler Hose Bracket Bolt & Adapter Bolts 
Courtesy of GENERAL MOTORS CORP. 

3. Remove the oil cooler hose bracket bolt (1).  

4. Remove the oil cooler hose adapter bolts (2).  

5. Remove and discard the oil cooler hose adapter gasket.  

6. Position the oil cooler hose adapter end out of the way. 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2