Question about 2007 Chevrolet Uplander

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Condensate drain location

Condensate from A/C is leaking onto carpet on drivers and passingers side. I cannot find the drain line to clear blockage

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  • Chatina Teinert Aug 04, 2008

    My 07 Uplander does the same thing....leaks water from the A/C onto the carpet on the passenger side!

  • gibkey Oct 26, 2008

    I have a 2005 Uplander and have the same problem.

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5 Suggested Answers

  • 91 Answers

SOURCE: Water dripping onto the floor on passenger side below the dash broad

Under the passenger side of the vehicle, near where your feet are, should be a drain tube. This get clogged from time to time by road grime and usually insects, so carefully use a small screwdriver to clean it out. If this clogs, the A/C system cannot remove its own condensation and it backs up into the car.

Posted on Aug 01, 2008

  • 6982 Answers

SOURCE: Air conditioning condensate leaking into passenger compartment

Should be on the engine side of the firewall in front of the air conditioner box...usually a small stub hose sticking out...roll it in your fingers and stick a finger into it and generally it will open up.

Posted on Jul 29, 2009

  • 6982 Answers

SOURCE: 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.

Posted on Apr 05, 2009

  • 107 Answers

SOURCE: My 2004 Trailblazers AC condensation water is

if you look on the engine side of the firewall you will see a rubber tube on the passenger side of the vehicle bent at a 90 degree angle that is the drain tube. very carefully try to insert something stiff into tube to see if it is blocked

Posted on Jul 15, 2009

mech1920
  • 22 Answers

SOURCE: 2003 Chevy Trailblazer leaks a/c condensate on passenger floor.

under car pass side just behind tire on firewall looking for tube that makes 90 degree bend make sure not clogged if still leaking check for cracks in the evap case

Posted on Aug 10, 2009

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The rubber plug will be to drain out any water that is under the carpet and so prevent the floor from rusting out. As to water getting there check out the heater core /hoses for leaks and check out the AC drain hose for blockages and ac condensate overflowing out of the box and onto the floor.

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Some cars have this problem more frequently than others and you may have to repeat this procedure every year or so. When it starts dripping water on the passenger side again it's overdue.

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If you've been using your air conditioner during this time, and it hasn't rained at all, then the small drain at the bottom of the a/c evaporator core may be plugged. When you use the a/c to cool the car the evaporator coil [located next to the heater core in the ductwork under the dash] is very cold and moisture from the hot humid air condenses on it as a result. This condensation dribbles down the core and accumulates in the plastic housing under it where it should then drain out a small hole and drip onto the ground. If the small drain gets plugged, which happens quite often, then the water fills up the housing until it overflows and then runs out and soaks the carpet on the front passenger side. The drain is located on the engine side of the firewall, passenger side, down low where the firewall begins to curve under. Usually a puff of air will clear the clog and the drain will work fine again. If the carpet is really wet it would be a good idea to remove it and get everything dry again as it tends to get pretty smelly if left wet. One last note: usually a leaky a/c unit will only make the passenger side carpet wet unless it's been leaking for a long time while a leaky windshield seal can make both sides wet depending on where it is leaking. Good luck, hope this helps you out!

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1 Answer

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2 Answers

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