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Resources for the Repair and Maintenance of your 2003 Hummer H2

2003 Hummer H2

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2003 Hummer H2 Problems

Heating & Air Conditioning -- Verified

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

Exhaust & Emissions -- Verified

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Engine -- Verified

The fuel pump may fail causing the engine to stall and not restart.

Drive Train -- Verified

Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

Suspension & Steering -- Verified

The steering wheel position sensor may fail, resulting in the service stability message being displayed.

2003 Hummer H2 Recalls (Recent)

Body, Interior & Misc., November 7, 2008

RepairPal Expert Overview:

Water may enter the windshield wiper motor module resulting in damage over time. The wipers may work intermittently or not at all. Visibility could be reduced, increasing the risk of a crash. Dealers will inspect the wiper module cover and replace it if necessary to correct this concern. The General Motors recall number is 08243.

 

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Body, Interior & Misc., November 6, 2002

RepairPal Expert Overview:

Due to a manufacturing problem, the windshield wiper motor may stop working while in use. If this occurs in severe weather, driver visibility could be reduced, which could lead to a crash. Dealers will inspect and replace the wiper motor assembly if necessary. The recall began November 6, 2002.

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Brakes, June 18, 2004

RepairPal Expert Overview:

The hydro-boost housing relief valve bore may be out of specification. The seal may fracture as a result, which may reduce braking assist and slightly increase the steering effort while braking. Under certain conditions, more braking effort will be required to stop the vehicle. Dealers will replace the hydro-boost relief valve. The recall began June 18, 2004. The GM recall number is 04004.

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Drive Train, May 29, 2003

Summary: 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 COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTHER THAN PARK. IN ADDITION, THESE VEHICLES HAVE AN OVERRIDE THAT CAN ALLOW THE TRANSMISSION TO BE SHIFTED OUT OF PARK WITH THE IGNITION IN THE OFF POSITION.

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2003 Hummer H2 Questions and Answers

regatta, 2003 Hummer H2, Gilbert, AZ

Air escapes from the air bags. There are no punctures. Could it be a sensor?

jab228, 2003 Hummer H2, Maryland Heights, MO

Where is the fuel pump located on a 2003 Hummer H2? Side mount or in tank? If in tank is there an access panel from inside the truck?

jesshayes, 2003 Hummer H2, Houston, MO

i was driving down road with my gaslight on and it stopped i put gas in it and it wont even turn over. whats wrong

jab228, 2003 Hummer H2, Maryland Heights, MO

I had the front driver side hub assembly replaced recently and since then my ABS, Brake, and Traction control dash warning light comes on. Prior to this replacement the warning lights never came o...

molara, 2003 Hummer H2, Chicago, IL

air conditioner no longer blows air

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2003 Hummer H2 Reviews

100,000 miles and with custom exhaust & air filter get 16 mpg hwy & 14 in city and will go ANYWHERE if you know how to drive it.

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