Hummer H2. Manual - part 1388

1. Install the surge tank (4) to the vehicle (5).  

2. If equipped connect the electrical connector to the low coolant level switch. 

3. Install the bolt (1) to the surge tank (4). 

Tighten: Tighten the bolt to 9 N.m (80 lb in). 

4. Install the nut (3) to the surge tank (4). 

Tighten: Tighten the nut to 9 N.m (80 lb in).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 10: Surge Tank Components 
Courtesy of GENERAL MOTORS CORP. 

5. Install the surge tank outlet hose (3) to the surge tank (2).  

6. Position the surge tank outlet hose clamp (5) to the surge tank (2).  

7. Install the surge tank inlet hose (6) to the surge tank (2).  

8. Position the surge tank inlet hose clamp (1) to the surge tank (2).  

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

SURGE TANK HOSE/PIPE REPLACEMENT - INLET 

Removal Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 11: Surge Tank Hose & Radiator 
Courtesy of GENERAL MOTORS CORP. 

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

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

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

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2

  

Fig. 12: Surge Tank Components 
Courtesy of GENERAL MOTORS CORP. 

4. Reposition the surge tank inlet hose clamp (1) at the surge tank (2).  

5. Remove the surge tank inlet hose (6) from the surge tank (2).  

Installation Procedure 

 

2004 Hummer H2 

2004 ENGINE Engine Cooling - Hummer H2