Hummer H2 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Hummer H2

Hummer H2 Problems

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

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.

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Contamination of extended life coolant

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

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Hummer H2 Questions

saying low oil pressure and the alert tones is what needs turned off its annoyin (1 answer)

Low oil pressure in message center
Then the alarms start and sometimes don't stop the lights and all the dash will stop working also at times ..seems like it's electrical..what can I do??

abs light and trac control lights coming on (1 answer)

4 wheel drive stuck in 4 low after replacing transfer case acuator (1 answer)

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Hummer H2 Recalls

Possible Under Hood Electrical Fire

The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.

Windshield Wipers May Work Intermittently or Not at All

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.

 

Possible Under Hood Electrical Fire

The wiring to the washer system heater may overheat due to a failure in the heater module. This could cause other electrical features to malfunction, smoke to develop, and an electrical fire could result. Dealers will install a wire harness with an inline fuse to protect the washer heater module. This recall is expected to begin on September 12, 2008. The General Motors recall number is 08048.

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Hummer H2 Reviews

My visor was taken down in my 2007 H2 Hummer and will not stay up now. It seems to clip in, but when turned it will not stay latched. I have researched the diagram from this particular year and the years after and the design changed in 2008. The newer designs use screws to secure the visor (which makes much more sense to me). This leads me to believe that the design itself is flawed. Especiall...
Three years since my last update, and still an AWESOME MACHINE. the MACHINE IS ALMOST NINE YEARS OLD and kicking ass...
heater on driver side seat come on

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