Question about 2006 Hummer H3

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2006 Hummer H3 sunroof leaking problem - 2006 Hummer H3

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6ya6ya
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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: the sunroof on my 2009 Hummer H3 leaks.

What they meant by "they all leak" is that the sunroof seals around the glass are not meant to keep water from getting down in the sunroof, and tray and drains are there to drain the water that does get down in there. The problem most likely exists with your drainage tubes. They can either be clogged, or in my case with my 06 H3, the tubes were somehow disconnected and I had to drop down the roof panel to reconnect one.

Posted on Aug 18, 2010

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

  • 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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2006 H3, leaking rain water in on back seatbelts


GM had a major problem with this issue as models with sunroofs had drain holes that were mfr'd too small. On models without sunroofs, the drains behind the pillars were too small creating the wet/mildewy/dampness issue. All mods were at the expense of the consumer. However if you know a good body and fender man, they can perform this mod for a fairly decent price with excellent results.

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try to apply light pressure to the sunroof while pressing the open switch, see if it opens, if it dose then grease the tracks if not, the motor may be burnt out.

May 14, 2012 | 2006 Hummer H3

1 Answer

Have a leak during storms think itmight be from sunroof - anyone had any experience with this


I've read alot that a drainage line from the sunroof plugs up and can be blown out with an airhose, but I don't know where the line is.

Feb 19, 2011 | 2006 Hummer H3

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

4 Answers

06 hummer h3-water on passenger floor after a rain


Hey I have the same problem, but only when it rains, it comes from the sunroof then leaks into the carpet.

Aug 17, 2009 | 2006 Hummer H3

2 Answers

The sunroof on my 2009 Hummer H3 leaks.


What they meant by "they all leak" is that the sunroof seals around the glass are not meant to keep water from getting down in the sunroof, and tray and drains are there to drain the water that does get down in there. The problem most likely exists with your drainage tubes. They can either be clogged, or in my case with my 06 H3, the tubes were somehow disconnected and I had to drop down the roof panel to reconnect one.

Jul 08, 2009 | 2009 Hummer H3

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