Hummer H2. Manual - part 801

Fig. 39: Removing & Installing Stoplight Light Switch 
Courtesy of GENERAL MOTORS CORP. 

PARK BRAKE ACTUATOR 

Removal & Installation 

1. Disable the park brake cable automatic adjuster. Raise and support the vehicle. Hold the pedal in the full 

upward position. Pull rearward on the front park brake cable until the pedal drum reaches its full reset 
position. Insert a scribe or the shaft of a thin screwdriver on an upward angle through the hole in the front 
of the pedal assembly, past the retracted pedal drum, and into the hole in the back of the pedal assembly. 
See Fig. 53 . Slowly release the cable.  

2. Raise and support the vehicle. Remove the tire and wheel assembly. Remove appropriate rotor. See 

BRAKE ROTOR . Remove the axle shaft. See AXLE SHAFTS article in DRIVELINE/AXLES. 
Remove appropriate park brake shoe. See PARK BRAKE SHOES . 

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer

  

3. Remove the actuator and rubber boot. See Fig. 40 .  

4. Install the rubber boot and the actuator. Install the park brake shoe. See PARK BRAKE SHOES .  

5. Install the axle shaft. See appropriate AXLE SHAFTS article in DRIVELINE/AXLES. Adjust the park 

brake shoe. See PARK BRAKE SHOE ADJUSTMENT under PARK BRAKE ADJUSTMENT in 
ADJUSTMENTS & INSPECTION.  

6. Install the rotor. See BRAKE ROTOR . Install the tire and wheel assembly. Remove the safety stands. 

Lower vehicle.  

7. Enable the park brake cable automatic adjuster. Hold the park brake pedal in the FULL upward position. 

Pull rearward on the front park brake cable until the tension is released from the scribe or nail installed 
through the holes in the pedal assembly. See Fig. 53 . Remove the scribe or screwdriver. Slowly release 
the park brake cable until it returns to its original position. Release the park brake pedal. Lower the 
vehicle. Apply and release the park brake pedal to ensure that there is no binding or sticking.  

Fig. 40: Removing/Installing Park Brake Actuator 
Courtesy of GENERAL MOTORS CORP. 

PARK BRAKE CABLE 

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer

  

Removal (Front) 

1. Disable the park brake cable automatic adjuster. Raise and support the vehicle. Hold the pedal in the full 

upward position. Pull rearward on the front park brake cable until the pedal drum reaches its full reset 
position. Insert a scribe or the shaft of a thin screwdriver on an upward angle through the hole in the front 
of the pedal assembly, past the retracted pedal drum, and into the hole in the back of the pedal assembly. 
See Fig. 53 . Slowly release the cable.  

2. Remove the park brake pedal. See PARK BRAKE PEDAL ASSEMBLY . Roll the carpet back to 

access cable grommet. See Fig. 41 .  

3. Raise and support the vehicle. Disengage the grommet and the cable from the floor pan. See Fig. 42 . 

Disconnect the front cable from the rear cable. Remove the cable from the body mount by depressing the 
retaining tabs. Remove the cable.  

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer

  

Fig. 41: Locating Cable Grommet (Front) 
Courtesy of GENERAL MOTORS CORP.

 

2004 Hummer H2 

2003-04 BRAKES Disc - Hummer