Questions & Answers for: 2003 hummer h2 problems

Question about 2003 H2

2003 HUMMER H2

2003 HUMMER H2 my rear windshield wiper starts working by itself when i turn my car on....keeps spraying the washer fluid and sometimes the wiper blade keeps moveing Had the same problem. i have to re

Question about 2003 H2

1 Answer

2003 Hummer H2 overheats while idling in Park

2003 Hummer H2 overheats while idling in Park Have a 2003 Hummer H2 that is overheating while in Park. Engine light comes on & stays on. Not sure what is causing the problem. NED TO HAVE THE CODES

Question about 2006 H2

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Hummer h2 idle rpm too low

...2003 Hummer H2 and I am having the same problems if started in park or Neutral it will idle fine but if I put it in drive or reverse it will not idle Did you find the solution and if so could you ...

Question about 2003 H2

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My 2003 h2 hummer will initally not shift from

2003 h2 hummer will initally not shift from My 2003 H2 Hummer suddenly started having some problems and will not shift from gear one to gear two. Just stuck in gear one. After a while, it now will not

Question about 2003 H2

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My 2003 h2 died this morning while driving. All

...2003 h2 died this morning while driving. All of the suden, no gas pedal response/ Had to coast into lot. Turns over but no start, not even a sputter. Noticed that the whirrring noise at rear of truck ...

Question about 2003 H2

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2003 h2 speedometer broken

2003 h2 speedometer broken Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for H2 ...

Question about 2003 H2

1 Answer

My Hummer H2 2003 model had a problem starting when its warm. Like when I start it in the morning, its normal, but after driving it for a few minutes and the engine is warm, I had difficulty starting

...Hummer H2 2003 model had a problem starting when its warm. Like when I start it in the morning, its normal, but after driving it for a few minutes and the engine is warm, I had difficulty starting My ...

Question about 2003 H2

1 Answer

MY H2 REDUCE POWER

...hummer H2 2003 did the same and I checked the coolant it was low.Refill the coolant and start the vehicle,if problem of reduced power persists check the thermostat if its not faulty.Hoping this will ...

Question about 2005 H2

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How do I remove the radiator from a Hummer H2 2005?

How do I remove the radiator from a Hummer H2 2005? I've added this link to show you how to fix your problem. Hope this helps! Coolant Flush How to Hummer H2 2003 2009 2003 Hummer H2 6 0L V8

Question about 2003 H2

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Hummer h2 2003, acceleration issue, but only when it starts moving and in 1st gear the Truck move slow but after 1st gear, truck runs great

Hummer h2 2003, acceleration issue, but only when it starts moving and in 1st gear the Truck move slow but after 1st gear, truck runs great Acceleration issue can point to many potential problem, from