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Unread 06-24-2011, 05:30 PM   #1
m615dan
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1997 ZJ 
 
Join Date: Aug 2010
Location: Columbus, Ohio
Posts: 22
1997 zj a/c help!!!!

I need help with my Jeep A/C. I have a 97 Jeep Grand Cherokee Laredo 4x4. My a/c keeps draining into the back seat of my car. The water is green, I am thinking maybe from algae in the line. I know there is a whole procedure on what to do, so I bought the plug and followed the steps. I drilled the hole and with 150lbs compressed air for like 5 min and it still did not fix anything. Next day, water everywhere again. What do you guys think? Do you think there is something wrong internally or maybe it's just a really bad clog I should keep working at. Other than that nothing is wrong with the car and everything works fine and I am not losing any fluids anywhere (so idk why the water is green). Any suggestions?


Last edited by m615dan; 06-24-2011 at 06:14 PM.. Reason: shortened explaination of problem
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Unread 06-24-2011, 06:42 PM   #2
ZeeJay1997
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1997 ZJ 
 
Join Date: Dec 2008
Location: Sweet Home, Alabama
Posts: 6,743
Are you sure it's not coolant leaking from the heater core? The back seat?
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Unread 06-24-2011, 07:33 PM   #3
m615dan
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1997 ZJ 
 
Join Date: Aug 2010
Location: Columbus, Ohio
Posts: 22
I don't know how it would end up in the backseat of my jeep though. And it only does so when the a/c is on. I know the a/c drain tends to get clogged and the water leaks into the back seat right where I have the green fluid now. Sometimes it's green and sometimes it's clear water. It just makes no sense at all.
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Unread 06-24-2011, 07:56 PM   #4
TallyZJ
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1996 ZJ 
 
Join Date: Nov 2008
Location: Tallahassee, Florida
Posts: 1,140
Quote:
Originally Posted by m615dan View Post
I don't know how it would end up in the backseat of my jeep though. And it only does so when the a/c is on. I know the a/c drain tends to get clogged and the water leaks into the back seat right where I have the green fluid now. Sometimes it's green and sometimes it's clear water. It just makes no sense at all.
There is an air duct that routes cold or hot air from the HVAC system to the rear floor board compartment. It runs down the passenger side of the center console and exits just under the rear corner of the front seats. If the HVAC system is full of drain water or coolant from a heater core leak, then it will fill this duct and dump into the back floor board.
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Unread 06-24-2011, 08:08 PM   #5
m615dan
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1997 ZJ 
 
Join Date: Aug 2010
Location: Columbus, Ohio
Posts: 22
okay. That really sucks for me if I have a coolant leak. Anyway, any ideas on clearing this blockage that is causing it to leak inside the car? I have already drilled a hole and shot it with 150lb compressed air and I guess it's still clogged.
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Unread 06-25-2011, 02:40 PM   #6
Oldfrog
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1997 ZJ 
 
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Location: Louisiana/Texas
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a/c , clog , drain , drain tube , jeep

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