Hummer H2. Manual - part 1409

Fig. 93: Radiator Hose & Radiator (Outlet) 
Courtesy of GENERAL MOTORS CORP. 

5. Reposition the radiator outlet hose clamp (2) from the radiator (1).  

6. Remove the radiator outlet hose (3) from the radiator (1). 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 94: Surge Tank Hose & Radiator (Inlet) 
Courtesy of GENERAL MOTORS CORP. 

7. Reposition the surge tank inlet hose clamp from the radiator.  

8. Remove the surge tank inlet hose (1) from the radiator. 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 95: Radiator Vent Inlet Hose 
Courtesy of GENERAL MOTORS CORP. 

9. Reposition the radiator vent inlet hose clamp from the radiator.  

10. Remove the radiator vent inlet hose (2) from the radiator.  

11. Remove the engine oil cooler lines from the radiator. Refer to Engine Oil Cooler Pipe/Hose Quick 

Connect Fitting .  

12. Remove the transmission oil cooler lines from the radiator. Refer to Transmission Fluid Cooler Line 

Quick Connect Fitting in Automatic Transmission 4L60E/4L65E. 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 96: Identifying Radiator 
Courtesy of GENERAL MOTORS CORP. 

13. Remove the radiator bolts (3) from the radiator (2).  

14. Remove the radiator (2) from the vehicle (1).  

Installation Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2