Hummer H2. Manual - part 748

Fig. 27: Wiper Blade & Components 
Courtesy of GENERAL MOTORS CORP. 

1. Insert the open end of the wiper blade element (3) into the bottom claws of the wiper blade (2).  

2. Guide the wiper blade element (3) through the wiper blade (1) claw sets.  

3. Engage the bottom claw (2) of the wiper blade (1) into the notches in wiper blade element (3).  

4. Install the wiper blade onto the wiper arm. Refer to Wiper Arm Blade Replacement .  

WIPER MOTOR REPLACEMENT 

Removal Procedure 

IMPORTANT: Keep the wiper blade claws in the rubber claw channel of the wiper blade 

element. Do not allow the claws of the wiper blade to contact the metal 
spline of the wiper blade element.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

1. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End. 

Fig. 28: Wiper Motor & Wiper Motor Transmission 
Courtesy of GENERAL MOTORS CORP. 

2. Remove the wiper transmission. Refer to Wiper Transmission Replacement .  

3. Mark the location of the wiper transmission arm prior to motor removal.  

4. Remove the nut retaining the wiper motor shaft to the wiper motor transmission.  

5. Remove the 3 fasteners (1) retaining the wiper motor to the wiper transmission.  

6. Remove the wiper motor from the wiper transmission.  

Installation Procedure 

IMPORTANT: Cycle the wipers 1 time to ensure they are in the parked position.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

1. Position the wiper motor into place on the wiper motor transmission, aligning the arm with the locating 

marks made prior to removal. 

2. Install the 3 fasteners retaining the wiper motor to the wiper transmission. 

Tighten: Tighten the fasteners to 12 N.m (9 lb ft). 

3. Connect the wiper motor electrical connector to the wiper motor and cycle the wipers 1 time to ensure 

motor is in the park position.  

4. Disconnect the wiper motor electrical connector.  

5. Ensure that the wipers are in the park position.  

6. Install the nut retaining the wiper motor shaft to the wiper transmission arm. 

Tighten: Tighten the nut to 25 N.m (18 lb ft).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

Fig. 29: Wiper Motor & Wiper Motor Transmission 
Courtesy of GENERAL MOTORS CORP. 

7. Install the wiper transmission. Refer to Wiper Transmission Replacement .  

8. Install the 3 fasteners (1) retaining the wiper. 

Tighten: Tighten the fasteners to 12 N.m (9 lb ft). 

9. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement in Body Front End.  

10. Operate the wipers to ensure proper operation.  

WIPER TRANSMISSION REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2