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2006 Hummer H3 leaking water onto passenger floor after any type of rain or car wash-flooding rain last week left a small lake, seats not wet door not wet numerous fixes nothing works-ruled out windshield, airconditioner, and radio antenna

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Posted on Jan 02, 2017

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mastatech
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SOURCE: can a 2007 h3 hummer be towed behind an rv

yes,it can be done exactly like the jeep!

Posted on Mar 14, 2009

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SOURCE: 2006 H3 Hummer AC/Heater Fan Motor

I brought my 2006 H3 in to the dealer for the same thing. My blower stopped working all together but it started as an intermittent problem. He said he had to replaced a diode or resistor either behind the switch on the dash that controls the fan or on the fan motor itself. Have not had a problem since but that was only about 4 months ago.

Posted on Apr 09, 2009

  • 1 Answer

SOURCE: 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.

Posted on Aug 19, 2009

  • 114 Answers

SOURCE: how do i shut off my change oil light in my h3

I'm not 100% on this but I think it's like a lot of GM's; turn the key to the "on" position(not running), stomp the gas pedal to the floor 3 times within 5 seconds & the light should flash & go out.

Posted on Sep 24, 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

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My 2006 H3 has water leaking into drivers side floor


While H3 is parked on driveway, driver floor mat is removed, and steering turned all the way right to expose splash area, pressure hose the front left steering splash area behind left tire while another person feels with their hands to determine where water is entering. If the leak is beneath, it would only enter when you go through flooded area. When it rains, the water constantly splashes behind the tires, which is an area source for water to enter the driver area while the vehicle is in motion during rain condition. If you live in snow area, they use salt to keep roads clear of snow. Salty water is highly corrosive to exposed steel. In the summer or fall season before snow begins, you steam jet pressure clean the underside, then inspect for any area where undercoating had come off. Take primer spray paint and cover these exposed areas with at least 3 coats of primer paint, or rubber sealant spray.
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Nov 29, 2013 | Hummer Cars & Trucks

1 Answer

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.

Nov 12, 2013 | 2006 Hummer H3

1 Answer

In my 2000 chevy Impala has a water leaks under dashboard onto passenger floor, only when it rains?


I had the same problem with a 1994 Taurus. Within the front fender was 10 years of pine needles and leaves blocking the drain backing the water up in and over the fire wall and into the front passenger seat floor.
I took a LONG pair of needle nose pliers threw the passenger side door, and was able to remove enough debree. After pulling out out about 5 fist full's of yuck, 1 gallon a water that was stuck some where poured out flushing out the drain. I did the same on the drivers side. After that I had no problems with floods. I hope this helps. If not check your back door weather stripping if you have one. I have heard water leaking behind the passengers seatbelt and onto the floor from under the seat. Got to love Florida's rain season(s)

Oct 21, 2011 | 2000 Chevrolet Impala

1 Answer

H3 hummer 2006 model.....hot floor board, passenger side


The hot floor is the catalitic converter. It may be bad, but you need to find out why it got hot. usually lean codes will be present with this problem. could be a bad vacuum leak. mass air flow sensor could be bad. as far as the water being a 2006 I do not think it is the windshield, probably the drain is plugged up for your a/c look under the hood, passenger side, there should be a tube that hangs down around where the a/c lines go in to cabin. you can try to back flush it or run something up in it to free it up. good luck

Jun 14, 2010 | 2006 Hummer H3

2 Answers

Water leaks in my 2006 hummerh3's right rear cargo area. My rear passengers seat belt gets wet and so does all around the cloth where the split seats are and also on the floor. I have taken it to hummer...


My 06 did this in the front and it was the drain tubes. If you paid to have it fixed, then they should look at it to see if one of the tubes came loose or maybe they didn't connect it properly. I am sure this is the problem (plugged or disconnected drain tubes) but I wouldn't want to pay for it every time it happens. make them fix it permanently!! Good luck with that!!

Feb 05, 2010 | 2009 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

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