Question about 2003 Hummer H2

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Is the 4 wheel drive always in H4 on dash (light lit on 4)

Just bought a 2008 Hummer H3, did not get a manual with it. It it always in 4 wheel drive, if not how do i get it into 2 wheel drive. How do I put it into 4 wheel drive when I want to use it. Where can I get a owners manual?? thanks

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6ya6ya
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Posted on Jan 02, 2017

carputers
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SOURCE: 2008 Hummer H3 The trackion failed light on

clean abs sensors at each wheel.

Posted on Sep 08, 2009

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SOURCE: hummer H3 (2008) does not start and error message

your anti theft is activated. consualt owners manual

Posted on Nov 28, 2009

swampthang90
  • 18 Answers

SOURCE: 2006 hummer h3 has a leak on passenger side under

My 06 was leaking during rain also. It turned out to be the sunroof. There are two drain tubes in the front of the sunroof that run the water down the corners to the ground and two drain tubes that drain water out the back corners. The water would seep around the glass, which is expected, but both of the tubes on the front of mine were plugged, and the water would overflow behind the dash and fill my floorboards. If my H3 was leaning to the left during a storm then the drivers side would be full of water. If leaning right, then the passenger side. I had to open sunroof and blow compressed air into the drain holes to clear them, but be careful, too much air will separate tubes from sunroof and then you will have to remove the inside paneling around sunroof to get to tubes and reconnect. You may only have one side plugged. you can test it by opening sunroof and pour a little water in the small catch pan in the front of the sunroof and see if it drains as expected (to the ground under the firewall on left AND right side). You can see the holes in each corner of catch pan to drain the water. Plug one with your finger, then the other to find the plugged side. Good luck!! Hope this helps!!

Posted on Mar 07, 2010

  • 2309 Answers

SOURCE: How often do i need to change my oil in my 2008 h3 hummer

follow the owners manual, usually 3 to 5 thousand miles, oil does not go bad but it absorbs contaminants, and can only do so much, also check any filters

Posted on May 05, 2010

  • 1 Answer

SOURCE: 2006 H3 Hummer fan problem

Hi if your internal fan not work in any position well i fixed up myself easy and save your money.
locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector from motor fan block. you will see a green multiresistor connected with this big connector. Usually the first + voltage connector is burnet out. disconnect the connector pull from resistor and check for any burn. in my case the first pin was burned out completely
you can buy another connector or you can clean the burned connector take out form connector weld a small copper cable of 5 mm dia from resistor to the burn cable and reconnect the connector without buy a new one. after replace again the resistor in the hole of motor blow with the 2 screw.
Done all work again without buy another new connector.
Gabriel from Italy Turin
H3 hummer 2007
loveling one and Humvee owner

Posted on Jun 11, 2010

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