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Air conditioning clutch works intermittently

Tiny
1995LINCOLNTOWNCAR
  • MEMBER
  • 2002 JEEP LIBERTY
  • 3.7L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 123,000 MILES
On my vehicle listed above; the compressor clutch works sometimes but then once it heats up it will turn off on its own or when I turn the car off it will not turn back on. I have tried hitting it with a hammer and that doesn’t get it back going.

Any help would be appreciated.
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Friday, October 18th, 2019 AT 3:54 AM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Hitting it with a hammer is a very bad idea. You may have damaged it from that alone.

When it does not work, did you check for voltage to the compressor?

Can you give me the pressure readings of the system as that controls the compressor?

I attached a diagram for you to test the highlighted wire for power to the compressor.

Roy
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Friday, October 18th, 2019 AT 5:27 AM
Tiny
1995LINCOLNTOWNCAR
  • MEMBER
  • 13 POSTS
I hit it with a mallet, I put the wrong thing. I have not checked the voltage yet.
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Friday, October 18th, 2019 AT 8:01 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Check the voltages and let me know what you find.

Roy
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Friday, October 18th, 2019 AT 8:03 AM
Tiny
1995LINCOLNTOWNCAR
  • MEMBER
  • 13 POSTS
I do not have any gauges.
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Friday, October 18th, 2019 AT 8:40 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, you can rent a set at a parts store or buy a cheap set at Harbor Freight.

Check the voltages.

Roy
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Friday, October 18th, 2019 AT 8:52 AM

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