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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2005 Hummer H2 car and truck
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BRAKE SERVICE PROCEDURES FOR 2005 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2005 Hummer H2 cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Troubleshooting -> Brake Rattle -> Brake Roughness Or Chatter; Pedal Pumping -> Caliper Brake Fluid Leak -> Excessive Pedal Effort -> Excessive Pedal Travel -> Heavy Brake Drag -> No Braking Effect When Brake Pedal Is Depressed -> Pull, Uneven Or Grabbing Brakes -> Rear Brakes Locking On Application
Vehicle: 2005 Hummer H2 6.0 V8 GAS
Excessive Pedal Travel
- Worn brake linings.
- Disc pads knock back after cornering or rough road travel.
- Piston and linings not properly seated or positioned.
- Insufficient fluid in system.
- Loose wheel bearing adjustment.
- Damaged or worn caliper piston seal.
- Improper booster pushrod adjustment.
- Pads out of flat more than .005 inch.
- Rear brake automatic adjusters inoperative.
- Improperly ground rear brake shoes.
Brake Roughness Or Chatter; Pedal Pumping
- Excessive lateral runout of rotor.
- Rotor excessively out of parallel.
Excessive Pedal Effort
- Frozen or seized pistons.
- Brake fluid, oil or grease on ...
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BRAKE SERVICE PROCEDURES FOR 2005 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2005 Hummer H2 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 2005 Hummer H2 6.0 V8 GAS
Master Cylinder
Some vehicles use a conventional tandem master cylinder with two hydraulic pistons operating in-line. The primary piston controls the front brake system and the secondary piston controls the rear brake system.
Other models use a master cylinder that operates the same as the conventional master cylinder, but also incorporates a quick take-up feature in the rear chamber to reduce excessive pedal travel which may result from increased fluid displacement required to move the low drag caliper piston out against the rotor.
The quick take-up uses a spring-loaded ball check val...
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BRAKE SERVICE PROCEDURES FOR 2005 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2005 Hummer H2 cars and light trucks from 1990+.
Power Brake Units -> Delco Brake Booster -> Power Brake Unit Service
Vehicle: 2005 Hummer H2 6.0 V8 GAS
The power brake unit is n...
CLICK HERE TO GET FULL ACCESS TO 2005 Hummer H2 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2005 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2005 Hummer H2 cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Bendix Master Cylinder -> Delco Master Cylinder -> Disassemble -> Tracker Master Cylinder -> Wheel Cylinder
Vehicle: 2005 Hummer H2 6.0 V8 GAS
Delco Master Cylinder
When performing the following procedures, refer to Figs. and , noting that the composite reservoir may vary in design.
Disassemble
- Remove master cylinder from vehicle.
- Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
- Inspect cover and diaphragm. Replace if cut, cracked or deformed.
- Remove fluid level switch and proportioning valve assembly, if equipped.
- Depress primary piston and remove lock ring.
- Plug primary fluid outlet (outlet nearest to cowl when master cylinder is installed), then apply compressed air into secondary fluid outlet ...
CLICK HERE TO GET FULL ACCESS TO 2005 Hummer H2 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2005 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2005 Hummer H2 cars and light trucks from 1990+.
Anti-Lock Brakes -> Bosch 5.3 & 8.0 -> Description
Vehicle: 2005 Hummer H2 6.0 V8 GAS
When wheel slip is detected during a brake application, the ABS enters anti-lock mode. During anti-lock braking, hydraulic pressure in the individual wheel circuits is controlled to prevent any wheel from slipping. A separate hydraulic line and specific solenoid valves are provided for each wheel. The ABS can decrease, hold, or increase hydraulic pressure to each wheel brake. The ABS cannot, however, increase hydraulic pressure above the amount which is transmitted by the master cylinder during braking.
During anti-lock braking, a series of rapid pulsations is felt in the brake pedal...
CLICK HERE TO GET FULL ACCESS TO 2005 Hummer H2 BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2005 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2005 Hummer H2 cars and light trucks from 1990+.
Anti-Lock Brakes -> Bosch 5.3 & 8.0 -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Aztek & Rendezvous -> Clearing Diagnostic Trouble Codes -> Connector Pin Identification -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Equinox, Torrent & Vue -> Hummer H2 -> Intermittents & Poor Connections -> Symptom Tests -> Temperature Vs. Resistance
Vehicle: 2005 Hummer H2 6.0 V8 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturers instructions.
Diagnostic Trouble Code Interpretation
Aztek & Rendezvous
[[table data]]Equinox, Torrent & Vue
[[table data]]Hummer H2
[[table data]]Connector Pin Identification
Refer to Figs. through for connector pin identifications.
Diagnostic Tests
Aztek & Rendezvous
[[table data]]Equinox, Torrent & Vue
[[table data]]Hummer H2
[[table data]]Symptom Tests
Aztek & Rendezvous
[[table data]]Equinox, Torrent & Vue
[[table data]]Hummer H2
[[table data]]Temperature Vs. Resistance
Refer to Fig. for temperature vs. resistance values.
Intermittents & Poor Connections
Most Intermittents ar...
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