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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Hummer H2 car and truck
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BRAKE SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 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: 2003 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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BRAKE SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+.
Anti-Lock Brakes -> Bosch 5.3 & 8.0 -> Description
Vehicle: 2003 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...
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BRAKE SERVICE PROCEDURES FOR 2003 Hummer H2 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2003 Hummer H2 cars and light trucks from 1990+.
Anti-Lock Brakes -> Bosch 5.3 & 8.0 -> System Service -> ABS Automated Bleed -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> Component Replacement -> Electronic Brake Control Module (EBCM) -> Hydraulic Brake System Bleeding -> Manual -> Pressure -> Wheel Speed Sensor
Vehicle: 2003 Hummer H2 6.0 V8 GAS
Brake System Bleed
ABS Automated Bleed
In most circumstances a base brake bleed is all that is required for most component replacements (such as wheel cylinders, calipers, brake tubes, and master cylinder) except for BPMV replacement.
The following automated ABS bleed procedure is required when one of the following occur: Manual bleeding at the wheel cylinders does not achieve the desired pedal height or feel. Brake Pressure Modulator Valve replacement (BPMV). Extreme loss of brake fluid has occurred. Air ingestion is suspected.
If none of the above conditions apply use standard blee...
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