A/C Compressor Problem - JeepForum.com
 
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post #1 of 5 Old 06-14-2017, 02:03 PM Thread Starter
loera_33
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Xj A/C Compressor Problem

So the other day my 2001 XJ Limited overheated for the first time and it turned out to be the radiator hose, replaced that, filled it up again and it doesnt overheat anymore, but when I turned on the A/C, i heard a small noise and it overheated inmediatly. The A/C was ice cold, but the noise bothered me. Turned out to be the compressor hub (according to my mechanic)
The dilemma now is to either change the whole compressor or just the hub.
What would bethe best way to go guys?


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post #2 of 5 Old 06-16-2017, 12:42 PM
bluejunior
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Quote:
Originally Posted by loera_33 View Post
So the other day my 2001 XJ Limited overheated for the first time and it turned out to be the radiator hose, replaced that, filled it up again and it doesnt overheat anymore, but when I turned on the A/C, i heard a small noise and it overheated inmediatly. The A/C was ice cold, but the noise bothered me. Turned out to be the compressor hub (according to my mechanic)
The dilemma now is to either change the whole compressor or just the hub.
What would bethe best way to go guys?
When mine went several years back I did the whole compressor. Haven't had an issue since. Personally, i don't trust the hub to be the only worn part once it goes and since (in theory) you have to pay a shop to properly recover old coolant and then pull a vacuum to refill it it gets expensive to touch the compressor multiple times anyway, unless you scoff at the epa or have an unusually well equipped shop available to you.

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post #3 of 5 Old 06-21-2017, 03:33 AM
biztyke
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if by "hub" you mean the clutch/pulley you can replace just the clutch assembly without opening the system, if that is indeed the problem. it is a bit of a pain, and you have to unbolt the compressor to get at it properly but the system stays charged.

buying just a clutch doesnt make sense though because the clutch kit costs about the same as a whole compressor. what some have done though is find a j/y compressor and swap the clutch from it. just make sure it is from a 99-01, 98 and earlier have slightly different clutch assemblies.

all that said, even with a bad clutch i dont understand the overheating.
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post #4 of 5 Old 06-21-2017, 06:40 AM
75SV1
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I tired to replace the clutch assembly. It did not go well. The bearing went after 1/2 a year or so. I had other problems with the accessory drive, ie harmonic balancer. Most box stores do not sell the AC clutch kit. They do sell compressors with it though ??. I bought a cAC compressor rebuilt this time. Check E-Bay. There are some good prices. I can't remember if I bought the one from PA to TN possibly KY.
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post #5 of 5 Old 07-24-2017, 09:24 AM Thread Starter
loera_33
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Quote:
Originally Posted by 75SV1 View Post
I tired to replace the clutch assembly. It did not go well. The bearing went after 1/2 a year or so. I had other problems with the accessory drive, ie harmonic balancer. Most box stores do not sell the AC clutch kit. They do sell compressors with it though ??. I bought a cAC compressor rebuilt this time. Check E-Bay. There are some good prices. I can't remember if I bought the one from PA to TN possibly KY.
The overhearting was because of the radiator hose that broke. So i replaced that and I ended up just changing the whole A/C compressor myself, which was very easy to do. I charged it up and its running great! Thanks for all yor help guys!
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a/c compressor , hub , overheating

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