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Unread 05-01-2015, 03:39 PM   #1
93zjer
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1993 ZJ 
 
Join Date: Jan 2010
Location: Humboldt, California
Posts: 396
2000 Xj AC Problem

The coil ground terminal for my AC Relay is rapidly fluctuating. Ground/No Ground.

There is a slight noise that sounds like a small relay rapidly opening/closing at about the same frequency that I see the ground to the coil relay fluctuating. It sounds like it is coming from the passenger side floorboard below the glovebox.

The relay passes a meter test. The AC system works if I bypass the relay.

Thanks.

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Unread 05-01-2015, 04:53 PM   #2
93zjer
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I added some refrigerant, now the clutch cycles engaged for about 3 seconds disengaged for about 5 seconds.
Air is slight cool but not cold.
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Unread 05-06-2015, 03:23 PM   #3
93zjer
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Its didnt have enough refrigerant in it. The crappy gauge on the can was inaccurate.
I have a leak in my evaporator. Alldata says 7.9 hours of work to change it.
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Unread 05-07-2015, 07:35 AM   #4
mhall02
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2000 XJ Cherokee 
 
Join Date: Oct 2004
Location: Missouri
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Yep, mine has been replaced twice. Original replacement under warranty, second one on me (~$1000) and did not replace with a OEM unit. Hopefully this second one will last, that was over 4 years ago. If you can stand the heat, don't do it, if you want nice cool air and have a long commute like I do, get it fixed.
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Unread 05-07-2015, 08:18 AM   #5
calvin196
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2001 XJ Cherokee 
 
Join Date: Jun 2012
Location: lennon, mi
Posts: 250
I read other peoples dreaded problems with repeated AC repair and dodged a bullet. I tried having it recharged 3 times and I really do wish I could have the luxory of AC but for $500+ to fix it every time not counting $75-100 to constantly re-charge it I'll save my money and spend it elsewhere. I can pay ~$100 for a window unit for my house and have my office 60 F all day long so I can't justify that. This might not be the answer you're looking for but honestly if you want to save yourself money and time just pull all the ac parts out and get a bypass pulley for where the AC compressor was. That's what I did. About a 37 pound weight reduction in the front and your engine bay will be less cluttered
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Unread 05-07-2015, 10:42 AM   #6
mhall02
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Quote:
Originally Posted by calvin196 View Post
I can pay ~$100 for a window unit for my house and have my office 60 F all day long so I can't justify that. )
You guys might find this funny, I saw a guy with a Dodge pickup going down the interstate with a running generator in the back and a residential window unit sitting in his rear sliding window. True story and I'll never forget it. I think he came out ahead $$ wise on that design!
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Unread 05-07-2015, 11:41 AM   #7
93zjer
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Well, Im sure I can do the work myself.
An 8 hour day and the cost of the new evaporator and refrigerant seems well worth it.

Its never hot here in Humboldt but I have family in Fresno and I will (possibly literally) die there without AC.
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Unread 05-07-2015, 12:05 PM   #8
FairlanePhil
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1999 XJ Cherokee 
 
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Location: Toledo Ohio
Posts: 2,166
I just did a heatercore/evap.

Maybe this will help you plan

http://www.jeepforum.com/forum/f11/h...arned-3105433/
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Unread 05-07-2015, 12:19 PM   #9
93zjer
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Thanks!
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Unread 05-07-2015, 03:34 PM   #10
Ferryman
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2000 XJ Cherokee 
 
Join Date: Dec 2013
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I also lost faith in the regular AC shop when I visit them for the third time in one summer.
Vacumising the system and after 20 minutes looking at his gauges 'you see, it holds its vacuum', a refill and after a week (or sooner) the system quits again.
I don't have the knowledge, tools nor equipment to do it myself so I have to rely on people who send me away with a quick refill.
Remedy? Maybe the authorized Chrysler dealer but that means dinero.
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