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2003 Hummer H2 Service and Repair Manual
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$29.99 USD
Unit price
Fits the 2003 H2 — Base Sport Utility 4-Door ·
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2003 Hummer H2 Service and Repair Manual
Regular price
$29.99 USD
Unit price
2003 Hummer H2 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sport Utility 4-Door
Engines covered
- 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
GM IS RECALLING 13,358 MY 2003 HUMMER H2 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH WATER CAN ENTER THE WINDSHIELD WIPER MOTOR MODULE. IF A SUFFICIENT AMOUNT OF WATER ENTERS THE MODU
Consequence
IF THIS WERE TO OCCUR, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A VEHICLE CRASH.
Remedy
DEALERS WILL INSPECT THE WINDSHIELD WIPER MODULE COVER, AND REPLACE THE WINDSHIELD WIPER MODULE COVE
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT C
Consequence
THESE OVERRIDES ARE NOT PERMITTED UNLESS THE VEHICLE HAS A LOCKING STEERING COLUMN.
Remedy
DEALERS WILL ELIMINATE THESE CONDITIONS BY DISABLING THE OVERRIDES. OWNER NOTIFICATION BEGAN ON MAY
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE V
Consequence
CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE
Remedy
DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS S
CERTAIN FABTECH AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS71000 AND FTS71001, INSTALLED FOR USE ON CERTAIN 2001-2006 GM C/K 2500 PICK UP TRUCKS AND SPORT UTILITY VEHICLES. THE PIN LOCATED INSIDE
Consequence
LOSS OF STEERING CONTROL COULD LEAD TO A VEHICLE CRASH WITH POTENTIAL INJURY OR DEATH.
Remedy
FABTECH WILL NOTIFY OWNERS AND REPLACE THE PITMAN AND IDLER ARMS FREE OF CHARGE. THE RECALL IS EXPE
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Showing the 8 most recent of 509 technical service bulletins on file with NHTSA.
ON AUG 23,07 AT APPROX 4:30 P.M., I PULLED UP TO A STOP SIGN IN SAN MATEO, CA. I STOPPED COMPLETELY, MADE A RIGHT HAND TURN, AND PROCEEDED SOUTH AT APPROX 10MPH, WHEN SUDDENLY THE RIGHT FRONT END OF
WINDSHIELD WIPER / WASHER FAILS DURING OPERATION, 2003 HUMMER H2, THERE WAS A RECALL, BUT HUMMER SAYS THAT RECALL DID NOT EFFECT MY SPECIFIC VEHICLE AND IT IS A COINCIDENCE THAT I HAVE THE SAME EXACT
DRIVING DOWN HIGHWAY 64 EAST MILE MARKER 261... DRIVING DOWN THE ROAD IN 03 HUMMER H2 AND WAS CUT OFF. MY SPEED WAS 70, THEIR SPEED WAS 55. SLAMMED ON BRAKES AND ATTEMPTED TO DRIVE AROUND PERSON THA
DRIVING DOWN HIGHWAY 64 EAST MILE MARKER 261... DRIVING DOWN THE ROAD IN 03 HUMMER H2 AND WAS CUT OFF. MY SPEED WAS 70, THEIR SPEED WAS 55. SLAMMED ON BRAKES AND ATTEMPTED TO DRIVE AROUND PERSON THA
DT: THE CONSUMER' S VEHICLE WAS HIT ON THE PASSENGER'S AND DRIVER'S SIDES ON THE FRONT AND IN THE REAR PASSENGER'S SIDE. UPON IMPACT, FRONTAL AIR BAGS FAILED TO DEPLOY. DRIVER SUSTAINED INJURIE
Showing the 5 most serious of 186 complaints filed with NHTSA.