Question about 2005 Jeep Wrangler

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HVAC tube is clogged on 2005 Jeep

I have a 2005 Wrangler with a blocked HVAC drainage tube. During heavy rain the water backs up and floors the passenger side of the truck. How do I fix this without a mechanic's help?... and would this be considered warranty work by the dealer, if I brought it in?

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  • Anonymous Oct 07, 2008

    same problem! flooded pass. side after heavy rain! where is the vent tube and how do you un clog it?

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Unfortunately it does not come under warranty, the good news is you can do it at home. from the passanger side inside the truck below the glove box look for a outlet hose going out through the fire wall and it will be connected to your evaporator case you can gently slide the hose off of the case and blow all the leaves usualy and hook it back up and you are done!!

Posted on Nov 12, 2008

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Bulletin No.: 03-01-39-011B
Date: November 22, 2005
TECHNICAL
Subject:
Water Leaks Into Passenger Compartment Through HVAC Module Condensate Drain Tube When Parked on Incline/Uphill Position (Install Auxiliary Drain Tube Extension)
Models:
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Supercede:
This bulletin is being revised to include the 2005 and 2006 model years. Please discard Corporate Bulletin Number 03-01-39-011A (Section 01 - HVAC).
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Important: During installation of the auxiliary drain tube, do not make contact with the HVAC module foam gasket located at the base of the HVAC module condensate drain tube. If the auxiliary drain tube is pushed on too far and makes contact with the foam gasket, water may leak into the passenger compartment.
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the a/c drain tube is ONLY to drain a/c condensate coming of the evaporator in your a/c system. Has nothing to do with rain, but everything to do with high humidity. If you put you a/c in "ecirc" mode when using the a/c, you cut down on condensate draining by about 70%.
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The rain water is another story. You have an air intake we call a "Rainhat" that is under the leaf screen at the base of the windshield towards the passenger side. If you have rain water dripping or running into the rainhat, it will run into your heater plenum (the big, black plastic thing under the instrument panel).

Remove the leaf screen and look for leaves or other debris clogging the area around the rainhat. look to see if water is running along the metal trim above the rainhat and dripping into the rainaht opening.

I once fabricated a cover over the rainhat using the bottom of a plastic anitfreeze bottle. I made an opening at the rear so it could still draw air in without restriction. It solved the water running along the base of the leaf screen and drooping right inot the rainhat. It rusted the blower motor and ruined it.

Good luck.

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