Hummer H2. Manual - part 1756

7. Reposition the radiator outlet hose clamp at the water pump.  

8. Remove the radiator outlet hose from the water pump.  

9. Remove the heater hoses. Refer to Heater Hose Replacement - Inlet and Heater Hose Replacement - 

Outlet in Heating, Ventilation, and Air Conditioning. 

Fig. 216: View Of Top Engine Cover 
Courtesy of GENERAL MOTORS CORP.

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

10. Loosen the intake manifold sight shield bolt.  

11. Remove the sight shield from the retainer. 

Fig. 217: Throttle Body Electrical Connector 
Courtesy of GENERAL MOTORS CORP. 

12. Disconnect the throttle body electrical connector (1). 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 218: EVAP Canister Purge Solenoid & Generator Electrical Connectors 
Courtesy of GENERAL MOTORS CORP. 

13. Disconnect the following electrical connectors: 

z

Evaporative emissions (EVAP) canister purge solenoid (1)  

z

Generator (3)  

14. Remove the harness bracket nut (2) in order to remove the engine harness from the intake manifold. 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 219: Vent Inlet Hose & Throttle Body 
Courtesy of GENERAL MOTORS CORP. 

15. Remove the radiator vent inlet hose from the throttle body. 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2