Hummer H2. Manual - part 744

Fig. 10: Washer Solvent Level Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP. 

1. Open the hood.  

2. Remove the washer solvent from the washer solvent container.  

3. Disconnect the washer solvent level sensor (6) electrical connector.  

4. Remove the A/C low pressure switch. Refer to Air Conditioning (A/C) Low Pressure Switch 

Replacement in Heating, Ventilation and Air Conditioning.  

5. Mark the location of the sensor prior to removal. 

Fig. 11: Level Sensor 
Courtesy of GENERAL MOTORS CORP. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

6. Get the level sensor in a horizontal position by inserting a long, narrow tool through the washer solvent 

fill hole, and gently raising the sensor arm. 

Fig. 12: Washer Solvent Container Level Sensor 
Courtesy of GENERAL MOTORS CORP. 

7. Remove the level sensor from the washer solvent container.  

Installation Procedure 

IMPORTANT: The level sensor arm hinges at the point called out (1). Before servicing 

the level sensor, it is necessary to get the level sensor arm in a horizontal 
position. Failure to do so will result in breakage of the level sensor.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

Fig. 13: Level Sensor 
Courtesy of GENERAL MOTORS CORP. 

1. Get the level sensor in a horizontal position as shown. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

Fig. 14: Washer Solvent Level Sensor Electrical Connector 
Courtesy of GENERAL MOTORS CORP. 

2. Install the level sensor (6) in the washer solvent container (5). Ensure to reference the locating mark made 

during removal.  

3. Connect the washer solvent electrical connector.  

4. Install the A/C low pressure switch. Refer to Air Conditioning (A/C) Low Pressure Switch 

Replacement in Heating, Ventilation and Air Conditioning.  

5. Refill the washer solvent container.  

6. Inspect for leaks.  

7. Close the hood.  

WASHER PUMP REPLACEMENT 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2