98 TJ A/C Clutch Problem - JeepForum.com
 
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post #1 of 10 Old 04-07-2015, 01:19 PM Thread Starter
sippi4x4man
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1998 TJ Wrangler 
 
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98 TJ A/C Clutch Problem

Good afternoon Jeepers!

I have a 98 TJ with A/C. Several months ago, October 2014 I think? My low pressure switch went out. Instead of replacing the switch, I jumped it with a paperclip temporarily until I could get a switch. The clutch kicked on and I had nice cold A/C again. This morning when I went to work, I noticed that the A/C is no longer cold. I checked all of the fuses under the hood and behind the glovebox. The paperclip is still in place. I removed the clip and then put it back and no matter what I do, the clutch will not kick on. Is there anything else I can check/troubleshoot before I am forced to drop this thing off to a mechanic?

Thanks,


/l , [____],
L---l -0llllll0-
()_) ()_)-0-)_)
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post #2 of 10 Old 04-07-2015, 02:00 PM
Jeepsr4me
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fuse... But it might be out of coolant. But if you got a meter check voltage at the wires.
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post #3 of 10 Old 04-07-2015, 02:06 PM Thread Starter
sippi4x4man
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1998 TJ Wrangler 
 
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Do you know which fuse? It's possible I may have missed one

/l , [____],
L---l -0llllll0-
()_) ()_)-0-)_)
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post #4 of 10 Old 04-07-2015, 02:26 PM
JWebber
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Look behind glove box and under hood. They are all labeled etc.. If all fuses test fine and are in place. Look into a leak in your system. You can get a small UV pen to hunt down the leak. The factory put dye in the charges, so when it leaks you can find it.
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post #5 of 10 Old 04-07-2015, 04:02 PM Thread Starter
sippi4x4man
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Quote:
Originally Posted by JWebber View Post
Look behind glove box and under hood. They are all labeled etc.. If all fuses test fine and are in place. Look into a leak in your system. You can get a small UV pen to hunt down the leak. The factory put dye in the charges, so when it leaks you can find it.
Thank you for your help. I pulled all of the fuses and then re-seated them. I also pulled both battery terminals and gave them a good cleaning. Once I put everything back together the clutch fired up and now my air is cold.

/l , [____],
L---l -0llllll0-
()_) ()_)-0-)_)
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post #6 of 10 Old 04-07-2015, 05:46 PM
chris142
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See if your getting 12v to the coil and your paper clip.
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post #7 of 10 Old 04-08-2015, 07:41 AM
JWebber
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Quote:
Originally Posted by sippi4x4man View Post
Thank you for your help. I pulled all of the fuses and then re-seated them. I also pulled both battery terminals and gave them a good cleaning. Once I put everything back together the clutch fired up and now my air is cold.

awesome! You can hit your fuses with sandpaper too, to get a better contact.
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post #8 of 10 Old 04-08-2015, 08:30 AM Thread Starter
sippi4x4man
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Well after I posted that it was working again, it stopped. While driving, it will randomly come on for a minute or two then stop and then run for a few minutes then stop. I really need to replace the heater core, a/c evaporator core and low pressure switch but don't have the funds.....

/l , [____],
L---l -0llllll0-
()_) ()_)-0-)_)
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post #9 of 10 Old 04-08-2015, 08:51 AM
Jeepsr4me
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The fuses can get corrosion on them. I use a cleaner called DeOxit. spray the whole fuse box and all with it.
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post #10 of 10 Old 04-08-2015, 09:29 AM
JeffBowser
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If it still holds a charge without leaking, might try that route first. I've gone through 3 AC systems on my Jeep since 1997. They don't seem to have a lengthy life span, although my current is now going strong 6 years on or so.
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a/c , a/c clutch , a/c problem , air conditioning

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