Team. have a 95 Grand Cherokee limited..air conditioning flooding passenger compartment and rugs in front and back are soaked. Not sure where under the dash to look...water is running down along the passenger side of the hump. Looked for a chiltons book in the typical super book stores tonight but none there. Any ideas? Thanks

Bill

Is it coolant? Sounds like maybe your heater core went out. Not a fun thing to replace. Good luck.

exact same prob with my 93. thought heater core too but wasn't. Dealer found condesation drain clogged. It originates below cowl inside engine compartment and drains under carpet pass side to outside. use compressed air blow out all debris in and below cowl. should clear

Great responses....drilled a hole in the bottom of the vent inside the car (under the dash) reamed out with wire...then blew it out....problem solved. BTW...I found out...that is the dealer fix too. Thanks Bill

I am looking at a 94 Grand Cherokee for my Daughter and brought it home to have checked out and found the floor wet under the pasenger seat. Is the fix inexpensive enough to follow through with the purchase. My wife spoke to someone that had to replace the air conditioner in theirs to fix and the cost was 3,000. Just would like to be sure. Thanks for any information.
Paul

Baloney on the airconditioner replacement. turns out there is a plastic piece of the duct under the dash behind the glove box. You need to drill a hole (I used 1/4") and blow air in there. (I used a tire inflator) You should see water start draining through the frame of the car. As I remember the system is supposed to drain through the frame. And dirt collects in this runway. I did that...and plugged wth the stuff you seal outside faucets with...and voila...fixed. Also...I have since traded the Jeep in....was great for the 140,000 miles. thanks Bill

93 JGC same problem. Could Someone please provide pic of where to drill & blow air. Wouldn't want to start drilling all over the place

Your definitely right on that one Caribbean ZJ

Same prob with my 98 JGC - since no one else posted a pic - I guess that the round hub was behind the drain port forward.

I drilled the hole (look out for a lot of water), reamed it out with a wire (no air avail) and filled the hole with a sheet metal screw (easier next time)

http://files.automotiveforums.com/gallery/watermark.php?file=/500/206309Drain_Fix.jpg


93 JGC same problem. Could Someone please provide pic of where to drill & blow air. Wouldn't want to start drilling all over the place

thanks. did alot of gum come out with the wire,how long did u poke around there for, water gushed out? i thought that was the spot. do u think silicone will seal this watertight?

http://members.aol.com/yamahawolverineX/drain
1. Pull the carpet down in the passengers foot well and locate the evaporator drain in the housing (See Illustration).

2. 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.

3. Insert plug, P/N 5255217 into the 1/4 inch hole drilled previously.

4. Verify that the drain is clear by operating the system in the A/C mode and observing that water is draining.

I wish I had seen that drawing!

A small poke with a thin wire was all it took to free up whast gunk was in the hole - water started gusing out the bottom of the car immediately. Unfortuanately, about 2 quarts of condensate had already filled the passenger side the previous day.

.... and I don't usually spell that badly.

and I think my self tapping screw is a better idea than a rubber plug or silicone sealant - I'm sure it will happen again some time.

Ive got a question. just bought one with the same problem. when you drill the hole, does water come into the compartment there? and how do you get to the hose to put the wire through it?

http://members.aol.com/yamahawolverineX/drain
1. Pull the carpet down in the passengers foot well and locate the evaporator drain in the housing (See Illustration).

2. 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.

3. Insert plug, P/N 5255217 into the 1/4 inch hole drilled previously.

4. Verify that the drain is clear by operating the system in the A/C mode and observing that water is draining.


Is the drain tube easily identifiable when you pull back the carpet?? I too have this problem on a 95 JGC. Thanks for your reply.

Thanks. This worked, problem fixed.

Ok, drilled the hole, poked a coat hanger through it. nothing gushed out.

with the hole open and the a/c on, water spritzez out of the hole. closed it doesnt seem like it drains great underneath the car, but a little drips out of the bottom.

when i pushed the clothes hanger through, i could here it tapping the frame, do you think the hose fell off the other side? if so, how do you get it back on?

Ok, drilled the hole, poked a coat hanger through it. nothing gushed out.

with the hole open and the a/c on, water spritzez out of the hole. closed it doesnt seem like it drains great underneath the car, but a little drips out of the bottom.

when i pushed the clothes hanger through, i could here it tapping the frame, do you think the hose fell off the other side? if so, how do you get it back on?


I'm not sure there is a hose attached. I believe it is designed to channel onto the frame and drain under. I would suggest you followup with blowing compressed air through the hole to ensure it's open. If water is draining under the front passenger side of the car, it should be open.

Having the same problem with my 97 jeep grand cherokee lerado. Front and back passenger floors are soaked. Drilled the hole and ran a wire through there-nothing happened. Blew air from a compressor-nothing happened. Took the jeep to the dealership to find out what is wrong. They were not happy with the fact that we drilled a hole in the drain. They supposedly cleaned it out but still leaking inside jeep. They say now it all has to be taken apart and cleaned and put back together for a cost of $1,000.00!!!! $800.00 of that is just labor. (All because I drilled the hole and they say thats the problem!!) It is still leaking inside the jeep and very little outside the jeep through the frame. Any suggestions?

Well considering that is the repair procedure from Jeep themselves from Technical Service Bulletin, I would say they are trying to rip you off and don't know their own policies. Double check your work. Also show them this and tell them to shove it.

NO: 24-06-96

GROUP: Heating & A/C

DATE: June 28, 1996

SUBJECT:
A/C Evaporator Drain Blockage

MODELS:

1993 - 1996 (ZJ) Grand Cherokee/Grand Wagoneer
1993 - 1996 (ZG) Grand Cherokee (overseas markets)

SYMPTOM/CONDITION:

Debris may collect in the evaporator drain tube area causing blockage of the tube. This can lead to water leaking from the heater housing, water sloshing around in the housing and odor from decayed organic debris. This bulletin provides instructions to gain easy access to the drain tube for clearing foreign matter from the tube, without removal of the heater A/C housing.

DIAGNOSIS:

Operate the system in the A/C mode and verify that water is draining from the system. The water drains into the frame rail and exits in the center of the vehicle. If no water is draining, the system is blocked and requires cleaning.

PARTS REQUIRED:

1 5255217 Plug

REPAIR PROCEDURE:

This bulletin involves drilling a hole in the A/C evaporator housing to allow for cleaning of the drain tube.







1. Pull the carpet down in the passengers foot well and locate the evaporator drain in the housing (See Illustration).

2. 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.

3. Insert plug, P/N 5255217 into the 1/4 inch hole drilled previously.

4. Verify that the drain is clear by operating the system in the A/C mode and observing that water is draining.


POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No: 24-65-03-92 0.2 Hrs.
Drill Hole in Evaporator Housing, Clean Drain Tube,
Install Plug in Housing

FAILURE CODE: XX - Service Adjustment

Does that also apply to the 1997 Jeep Grand Cherokee?

No your Jeep should have a drain tube. Look underneath and find the drain tube and stick a coat hanger up inside there and wiggle it around. It will drain, then put a little RTV over the hole you drilled and you'll be all set.

Look under my 97 jeep and cannot find drain tube. Can you give me some idea where it should be located. I can see were some water has been leaking out a hole in the frame of the jeep.

If there is an actual drainage tube-mine is missing. Found actual hole that water is draining out. Pulled back the carpet (saturated with about a gallon of water and smells terrible) and used a shop vac to suck up excess water. Put a wire in the drainage hole so water would follow wire down and drain. No water seems to be backing up into the jeep. What seems to be the problem is-since there is no actual tube, the water backs up into the frame until there is enough to flow out another hole that has a ledge around it (making the water pool). Since it is pooling up, then also leaking though the frame into the jeep floorboard.

http://members.aol.com/yamahawolverinex/draintube.jpg

might not be exactly the same as yours but similair. Let us know what happens

Just fixed the leaking problem for AC on my 1995 GC. Used the picture and did the job in 5 minutes. All it takes is a wire and a machine screw-problem solved for free.

I drilled the hole and cleared out the tube as described by many others on the forum but I am still getting a small amount of water inside the car. Water is also draining under the car as it is suppose to. Looks like the water is leaking around the where the plastic evaporator tube meets the upper part of the floor board before it exits the car. Any ideas on how to solve this problem?

I am not a mechanic, but my suggestion would be to make sure you pass the wire thru the hole several time twisting the wire slightly to make sure the entire drain is clear. As you can not see what you are clearing with the wire it is possible that you have only cleared part of the obstruction and the water may still be backing up some.

I used a standard self drilling screw and poked in (both up and down) with a stiff fishing line. Since I need the ac a lot I figure that it wont do to seal the hole, so I just stuck standard electrical tape to plug the hole. Worked like a charm. Let me see how long it will last...

Thank you very much! This discussion saved me about $150 that the ac technician wanted to charge me! He was about to stip off the dash and clean the drain line, said he'd done it for about 10 customers so far this season.

An update.

After cleaning the drain tube as prescibed, I was still getting water in the car. It turned to be a leaky sponge seal where the drain tube exists the car in the firewall. In order to replace the $5 seal, the AC evaporator box has to be removed which means the dashed must be removed at a cost of nearly $800. As an alternative, I decided to apply some sylicone around the seal from inside the car to stop the water from coming inside the car. It worked wonderfully for $3.50.

I have a 97 GC Limited and I also cannot find a drain tube under the car anywhere. I will try the drill a hole and poke a wire and see what happens

Drilled the hole and wiggl;ed a wire and blew some air in there fropm my tire inflator and now have water dripping out of the bottom of the car. Still have some seepage around the drain via that thru the firewall sponge type gasket. Have dried it out and applied a silicone sealant to what area I could reach. Will check back and let you all know how I made out.

great advice here thanks

Your definitely right on that one Caribbean ZJ
Thanx everyone on this forum. This is the second time I've been here for a problem and y'all have had the answers. Appreciate it lots.

On my 1995 Grand CHerokee I followed YtseJam454's four step process, but step 2 was a bit more difficult. The drain would clear temporarily then clog again, and again.... I had to use compressed air for 30 seconds 8-12 times. I also used a wet/dry vac to suck out water from the drill hole. Using a wire to clear I found that I could push the wire up about 6" and up/left about 4", and straight back through the hole for 6+ feet.? The compressed air repetitions ultimately cleared the clog.

Same prob with my 98 JGC - since no one else posted a pic - I guess that the round hub was behind the drain port forward.

I drilled the hole (look out for a lot of water), reamed it out with a wire (no air avail) and filled the hole with a sheet metal screw (easier next time)

http://files.automotiveforums.com/gallery/watermark.php?file=/500/206309Drain_Fix.jpg


That works great. Thanks for your efforts. It probably saved me a few hundred bucks and a lot of headaches. You're definitely one of the good guys. Best regards,

Dave

Is the drain tube easily identifiable when you pull back the carpet?? I too have this problem on a 95 JGC. Thanks for your reply.

Hi -

Trying to help my mom wit same problem in 95 GC.
Could someone (please) email me pix & diagrams on where to drill?
I can't see pix or diagrams - I get littel red x's instead.
THANK YOU

Robert
rfc99@cfl.rr.com