87 MJ AC System - JeepForum.com
 
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post #1 of 7 Old 02-12-2016, 07:03 PM Thread Starter
jdritch
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87 MJ AC System

When I bought my 87 MJ the AC system did not work. I am trying to piece it back together before summer arrives. I am looking for some sort of diagram or something of the likes that would help me to figure out what parts I need and what parts I don't need. I know for sure I need a condenser and the hose that goes from the compressor to the condenser.

There is a hose that comes off of the bottom of the receiver/drier that looks to have but cut off at some point. Does anyone know what that hose would be called and where it is suppose to go to?

I found this diagram but it doesn't seem like its the right one to me:
http://www.factorychryslerparts.com/...category=20300

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post #2 of 7 Old 02-13-2016, 06:11 PM
Motorcharge
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You might want to post this in Cherokee tech. Parts will be the same and you'll get more responses. I'd also consider an R-134 conversion, it's not exactly easy to find a shop that has R-12 anymore.

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Originally Posted by Ron Swanson
There is no such thing as bad weather. Only inadequate clothing and transportation.
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post #3 of 7 Old 03-14-2016, 08:26 PM Thread Starter
jdritch
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Alright will do. I actually know where there is a shop that has a box of R-12 refrigerant but i will probably convert anyways.
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post #4 of 7 Old 03-16-2016, 07:53 PM
Motorcharge
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R12 is much better if you can get it. Just make sure the a/c system doesn't leak before filling it.

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Originally Posted by Ron Swanson
There is no such thing as bad weather. Only inadequate clothing and transportation.
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post #5 of 7 Old 08-17-2016, 06:39 AM
tadchad
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How can you tell if a system is R12 or R134, I don't know much about AC systems and I know that my compressor clutch is leaking out the front, PO said he was placing R
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post #6 of 7 Old 08-17-2016, 06:45 AM
tadchad
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How do you confirm if a system is an R12 or R134? I don't know anything about A systems at all, my compressor is leaking from the front, compressor still kicks on, but I figured it wasn't worth the time to just replace the clutch and bearings, when I can purchase a new compressor and clutch for a little cash. Here is a pic of my system. PO stated he was putting in R12 but that doesn't mean he was correct. Can anyone tell me which system I have, also if the system hasn't been charged and is not blowing cold air I the a reason to vav the lines, can I just change out the compressor and recharge the system?
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post #7 of 7 Old 08-17-2016, 08:05 AM
cruiser54
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Actually in our Jeeps 134a works just fine. I've converted 3 of them already. 39.8* out the vents, sitting still, on a 90* day is not something you could upstage with R12.

The fittings are different and there should be a sticker in the engine compartment.
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