Question about 2004 Hummer H2

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2004 hummer h2 leaks water from roof over front

2004 hummer h2 leaks water from roof over front dashboard. sometine right side sometimes left, and sometimes middle.

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  • Anonymous Mar 18, 2014

    how to remove door panel

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Seal all the lights on top. Mine flooded from the water running down the light harness wires. Used clear rtv sealant and fixed it. You will have to remove the seal the two larger lights on the corners.

Posted on Jul 06, 2009

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Like the first guy said. The small roof lights that run along the front edge of the roof leak water, usually during car washes or very heavy rain.the corners were my culprit. Clear silicone was the answer.

(Dont get it anywhere you dont want. use sparingly as it can be a pain to get completely off a nice paintjob)

Posted on Aug 22, 2009

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I HAVE 03 HAD SAME HAD ITS THE SEAL AROUND WINDOW NEEDS TO BE TAKEN OUT AND SEAL REPLACED GO TO AUTO ONE OR SOME WHERE

Posted on Jul 15, 2009

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Check for holes in the engine bay firewall, except for the ones with wires and cables going through.

Posted on Jun 23, 2009

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1 Answer

Level sensor h2 hummer


attached to the frame just to the right of your rear tire on passenger side. just to the left of rear tire on driver side. there are two of them that look like a little hinge. best of luck.
jeff

May 10, 2014 | 2004 Hummer H2

2 Answers

2004 H2 HUMMER exterior lighting


check lighting relay and replace if necessary

Jul 07, 2008 | 2004 Hummer H2

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Water leaking in my 05 H2 Hummer and don't know where from....checked sun roof, rubber doors seal and still can't find problem what else can I look for....no not heater core either...


first is the water coming in while the a/c is running,because your evaporator might be clooged.if the passenger floor is wet thats a sign that it may be

Sep 20, 2010 | 2003 Hummer H2

8 Answers

Water leaks into right side floor board during a blowing rain?


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!!

Jan 26, 2010 | 2009 Hummer H3

1 Answer

2004 H2 sometimes when I go to my hummer the back end has sunk down. it pumps up as soon as I stat it


Either you have an air line leak or one of your shocks are leaking air. Soapy water can be used to check both problems. Put soapy water on the air line connections and if there are bubbles then that connection is leaking. If you don't find any air line leaks then put soapy water around the shaft goes into the body of the shock and again if you have air bubbles that shock is leaking. It is always best to replace shocks in pairs. In other word replace all of the shocks on an axel even if you just have to replace one. Please rate my answer for helpfulness.

Dec 30, 2009 | 2004 Hummer H2

1 Answer

WATER LEAK FROM FRONT ROOF AREA


if you have sunroof , make sure drains are clean and clear.also have windsheild seal checked. good luck.

Oct 14, 2009 | 2004 Hummer H2

1 Answer

My Hummer H2 is leaking air from both the left


It's not likely that the bags are leaking unless you see physical damage, it's more likely that the compressor exhaust solenoid is bad. There's an updated compressor kit available from GM that requires calibration after assembly. Not cheap.

Sep 17, 2009 | 2004 Hummer H2

4 Answers

2003 Hummer H2 Roof leak fron celing map lights


i had the same probmlem its coming from one of 3 lights is the center quick fix was to use clear silicon from wal mart .. also it can leak from the moulding near the corners of the windsheald but rare...

Aug 08, 2009 | 2003 Hummer H2

4 Answers

2004 Hummer H2 leaking water on passenger floor


never worked on a hummer but rule of the day is that there always is a drain on the firewall on the engine side. usually a small rubber hose about two inches long direced downward. Usually you can stick your finger in there and clear it out. Don't shove anything hard into it or you can punch a hole in the evaporator core.

Apr 05, 2009 | 2004 Hummer H2

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