Hummer H2. Manual - part 794

Remove the rubber cap or plug from the brake pipe fitting end.  

4. Connect the brake pipe fitting end to the brake hose: 

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Use a backup wrench on the brake hose fitting end.  

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DO NOT bend the mounting bracket or the brake pipe. Tighten the brake pipe fitting end to 
specification.  

5.  

Bleed the hydraulic brake system. See BLEEDING BRAKE SYSTEM . Install the tire and wheel 
assembly. Lower the vehicle.  

Removal (Rear) 

1. Raise and support the vehicle. Remove the tire and wheel assembly. Clean all dirt and foreign material 

from the brake hose end and brake pipe fitting.  

2. Install a rubber cap or plug to the exposed brake pipe fitting end in order to prevent brake fluid loss and 

contamination. See Fig. 21 . Use a backup wrench on the brake hose fitting end, disconnect the brake pipe 
fitting end from the brake hose then cap or plug the brake pipe fitting end.  

3. Remove the brake hose retaining clip from the brake hose mounting bracket. See Fig. 16 . Remove the 

brake hose from the mounting bracket. Remove the brake hose to caliper bolt from the brake caliper. 
Remove and discard the 2 copper brake hose gaskets. These gaskets may be stuck to the brake caliper 
housing or the brake hose end.  

NOTE:

Ensure that the brake hose does not make contact with any part of the 
suspension or the tire/wheel assembly. Check the brake hose in extreme 
right and left turn conditions. If the brake hose makes contact remove the 
brake hose and correct the condition. 

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer

  

Fig. 21: Removal/Installing Brake Hose (Rear) 
Courtesy of GENERAL MOTORS CORP. 

Installation 

1. Install 2 NEW copper brake hose gaskets. Assemble the 2 NEW copper brake hose gaskets and the brake 

hose bolt to the brake hose. See Fig. 16 . Install the brake hose to caliper bolt, and 2 NEW washers to the 
brake caliper. Tighten the bolt to specification. See TORQUE SPECIFICATIONS .  

2. The brake hose must not be twisted. Make sure the brake hose is not in contact with any suspension 

component. Install the brake hose into the mounting bracket. Install the brake hose retaining clip. Remove 
the rubber cap or plug from the exposed brake pipe fitting end. See Fig. 21 .  

3. Connect the brake pipe fitting end to the brake hose. Use a backup wrench on the brake hose fitting end. 

DO NOT bend the mounting bracket or the brake pipe. Tighten the brake pipe fitting end to specification. 
Bleed the hydraulic brake system. See BLEEDING BRAKE SYSTEM .  

4. Install the tire and wheel assembly. Ensure that the brake hose does not make contact with any part of the 

suspension or the tire/wheel assembly. If the brake hose makes contact remove the brake hose and correct 
the condition. Lower the vehicle.  

Removal (Rear Jounce) 

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer

  

1. Raise and support the vehicle. Clean all dirt and foreign material from the brake hose and brake pipe 

fittings.  

2. Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and 

contamination. Use a backup wrench on the hose fitting, disconnect the brake pipe fitting from the brake 
hose, then cap or plug the brake pipe fitting end. See Fig. 22 . Remove the brake hose upper bracket bolt. 

3. Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and 

contamination. Using a backup wrench on the hose fittings, disconnect the brake pipe fittings from the 
brake hoses, then cap or plug the brake pipe fitting ends. See Fig. 23 . Remove the brake hose lower 
bracket bolt. Remove the jounce hoses. 

CAUTION: Brake fluid may irritate eyes and skin. In case of contact, take the 

following actions: Eye contact; rinse thoroughly with water. Skin contact; 
wash with soap and water. If ingested; consult a physician immediately. 

NOTE:

Avoid spilling brake fluid onto painted surfaces, electrical connections, wiring, 
or cables. Brake fluid will damage painted surfaces and cause corrosion to 
electrical components. If any brake fluid comes in contact with painted 
surfaces, immediately flush the area with water. If any brake fluid comes in 
contact with electrical connections, wiring, or cables, use a clean shop cloth to 
wipe away the fluid. 

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer

  

Fig. 22: Removal/Installation Brake Hose (Rear Jounce - 1 Of 2) 
Courtesy of GENERAL MOTORS CORP.

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer