Hummer H2. Manual - part 746

Fig. 19: Headliner Washer Hose 
Courtesy of GENERAL MOTORS CORP. 

1. Lay the new washer hose in place next to the original to ensure proper routing, and epoxy the new washer 

hose to the headliner and to the original washer hose.  

2. Install the headliner. Refer to Headliner Replacement .  

WIPER ARM REPLACEMENT 

Removal Procedures 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

Fig. 20: Identifying Wiper Arm 
Courtesy of GENERAL MOTORS CORP. 

1. Lift the wiper arm (1) and raise approximately 2 inches from the glass.  

2. Release the locking tab at the base of the wiper arm (2) by sliding the tab outwards with a flat bladed tool. 

3. With a flat-bladed tool, lift the wiper arm off of the post (3).  

Installation Procedure 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

Fig. 21: Identifying Wiper Arm 
Courtesy of GENERAL MOTORS CORP. 

1. Align the key on the wiper arm pivot shaft with the detent on the wiper arm post (3), and with the locking 

tab in the open position, slide the wiper arm (2) onto the pivot shaft.  

2. Inspect the wiper arm is fully seated to ensure the locking tab is fully engaged.  

WIPER ARM BLADE REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2

  

Fig. 22: Identifying Wiper Blade Release Tab 
Courtesy of GENERAL MOTORS CORP. 

1. Turn the ignition switch to the ACCY position.  

2. Set the wiper switch to the PULSE position.  

3. Turn the ignition OFF when the wipers are in the innerwipe position and not moving.  

4. Push in the button of the wiper blade clip and remove the wiper blade from the inside radius of the wiper 

arm. 

 

2004 Hummer H2 

2004 ACCESSORIES & EQUIPMENT Wipers/Washer Systems - Hummer H2