Question about Jeep Grand Cherokee

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95 Grand Cherokee 4.0 6 cyl, how can i get into the evaporater housing box to clean out all the **** that keeps clogging up the drain tube?

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To remove your heater box is a fairly arduous task. I have had a lot of success using a little extension I made for the end of a shop vac that fits part way into the drain (not too far or it can do damage) All it was is a piece of plastic flex hose about three feet long (the kind that has ribs on it like a gas siphon does) I made an adapter for it that fits into the vac hose. If there is a lot of junk in there, it may take a cleanout every few days for a while but generally except for really bad ones, did not need to remove the box. If it is too jammed up, get a manual and seave a lot of time for the job...likely it will be the least amount of fun youv'e had in a long time!! Good luckl!!

Posted on Jul 20, 2009


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I think the evaporator drain is clogged on my 1996, How did fix the drain and stop the water from fulling up again

Look under the dash, behind the glove box compartment There is a hose about 1/2" diameter, it runs from the heater/aircon blower box and to the flooring( sometimes on the firewall ), pull it out and use a flexible to insert inside the hose tubing.
Pour some water and insert the flexible hose untill all the dirt and grimes come out of that hose. dot that until you make sure that water flows freely from that hose.
Put it back again and its all fix up.
Hope that helps you out.
Thanks for using FixYa!

Jul 09, 2011 | 1996 Jeep Grand Cherokee

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Cant find ac drain tube

Pull the carpet down in the passengers foot well and locate the evaporator drain in the housing.

Drill a 1/4 inch hole in the center of the drain tube housing as shown. Clear the drain tube with a wire or suitable tool by inserting it through the hole and into the drain tube.

Insert plug, P/N5255217 into the 1/4 inch hole drilled previously. Verify that the drain is clear by operating the system in the A/C mode and observing that water is draining.

Hope this helps.

Jul 05, 2011 | 2007 Jeep Grand Cherokee Overland

2 Answers

Excessive amounts of water is leaking into my front passenger seat

if green or orange in color you have a heater core leak. If its stagnant water it is from a plugged up drain tube in the evaporators core housing

Sep 02, 2010 | 1995 Jeep Grand Cherokee

1 Answer

The air drain is clogged and is pilling up in the passenger side floor bored were is the drain out at

the tube is run through the fire wall and it runs into the center of the frame try drilling a small 1/4" hole through the front side inside cab to clean it out. compressed air is good but maybe with wire.

Aug 26, 2010 | 1994 Jeep Grand Cherokee

1 Answer

My jeep passenger floor stays wet. could it be the heater core or the evaporater core?

I would think the drain hose for the evaporator core has come off or is clogged. If it was the heater core, you would smell anti-freeze and there would be some steam asscociated with it.

May 16, 2010 | 1998 Jeep Grand Cherokee

1 Answer

Trying to find ac drain line on 1998 jeep grand cherokee laredo 6 cyl.. water backing up onto pass side floorboards as I guess it's clogged.. please advise.

drain tube located in engine bay, when looking into engine bay drain tube is just above right hand side chassis leg on bulkhead, repair for problem is locate lower casing inside passenger footwell then drill a hole in the centre of the lowest point then poke through with metal coat hanger, note when you drill water will drain in to vehicle collect and throw out then once you clear drain tube plug up hole, hole size required 5mm, lowest point round shape, good luck

Jun 22, 2009 | 1998 Jeep Grand Cherokee

3 Answers


passenger side lower firewall ,look for rubber hose with a split across the end of it ,squeeze it to get the muck out of it

May 30, 2009 | 1997 Jeep Grand Cherokee

2 Answers

94 Jeep Grand Cherokee Transmission Problom

1994 is the same as 1997. parts are interchangeable

Dec 31, 2008 | 1994 Jeep Grand Cherokee

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