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Horizonjet

  • Karma: +0/-0
Chevy Cavalier A/C inop.
« on: July 08, 2014, 08:11:57 pm »
My sons a/c quit working on his car. Turn it on and compressor clutch engages, coming fan comes on then after a min. Comp. Shuts off, then comes back on for a min. them shuts off again. I thought it might be low on freon but the gauge on the can says its really high pressure in the red so it ain't low on freon. I'm stumped now? Any ideas? Compressor turns freely by hand. Compressor ain't noisy when running.
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Roadrunner

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Re: Chevy Cavalier A/C inop.
« Reply #1 on: July 08, 2014, 08:21:14 pm »
Maybe a clogged orifice tube. I have also seen those refill cans overcharge the system and take out the high pressure switch. Just a guess. I worked as a mechanic 18 years ago. It's not my profession. Hopefully Phil will chime in. He knows everything.


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GT Jets

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Re: Chevy Cavalier A/C inop.
« Reply #2 on: July 08, 2014, 08:37:58 pm »
My sons a/c quit working on his car. Turn it on and compressor clutch engages, coming fan comes on then after a min. Comp. Shuts off, then comes back on for a min. them shuts off again. I thought it might be low on freon but the gauge on the can says its really high pressure in the red so it ain't low on freon. I'm stumped now? Any ideas? Compressor turns freely by hand. Compressor ain't noisy when running.
What year?
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Horizonjet

  • Karma: +0/-0
Re: Chevy Cavalier A/C inop.
« Reply #3 on: July 08, 2014, 08:56:27 pm »
Oh. Its a 2002. I didn't put any freon in it. Pressure was high and probably would not take Amy.
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GT Jets

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Re: Chevy Cavalier A/C inop.
« Reply #4 on: July 08, 2014, 11:39:16 pm »
Check the plug on the pressure switch for a bad connection. it is a known problem.

The only other thing it could be is a restricted drier (unlikely) or a failed expansion valve.

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Horizonjet

  • Karma: +0/-0
Re: Chevy Cavalier A/C inop.
« Reply #5 on: July 09, 2014, 06:51:24 am »
Alright. Will look at that this weekend. Thanks
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steves86ta

  • Karma: +41/-0
Re: Chevy Cavalier A/C inop.
« Reply #6 on: July 10, 2014, 12:52:05 pm »
my uncle has the same car. after taking a tech 2 to it we found that the pressure switch was bad. Replaced it and it works great
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Re: Chevy Cavalier A/C inop.
« Reply #7 on: July 10, 2014, 02:09:15 pm »
my uncle has the same car. after taking a tech 2 to it we found that the pressure switch was bad. Replaced it and it works great

Goes right back to the bad connection....  ;)

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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Horizonjet

  • Karma: +0/-0
Re: Chevy Cavalier A/C inop.
« Reply #8 on: July 11, 2014, 04:50:19 am »
Is that the pressure switch on left side that's upside down by the radiator  and the there are 3 wires in the plug?
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steves86ta

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Re: Chevy Cavalier A/C inop.
« Reply #9 on: July 11, 2014, 07:11:12 am »
Yes

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Horizonjet

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Re: Chevy Cavalier A/C inop.
« Reply #10 on: July 11, 2014, 07:34:19 am »
Yes

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Ok. Thank you. I will look at it this weekend :)
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Horizonjet

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Re: Chevy Cavalier A/C inop.
« Reply #11 on: July 13, 2014, 09:27:31 pm »
Ok. Tried a new high pressure switch and it did not work. Compressor comes on and cooling fan comes on hooked up a gauge and high pressure is really high so there must be a blockage somewhere so I am going to check orfice tube
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Ralph Brunt

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Re: Chevy Cavalier A/C inop.
« Reply #12 on: July 14, 2014, 08:36:47 am »
Squirt water on the condenser while ac on watch pressure

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Re: Chevy Cavalier A/C inop.
« Reply #13 on: July 14, 2014, 02:16:12 pm »
What does the low pressure side do?

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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Horizonjet

  • Karma: +0/-0
Re: Chevy Cavalier A/C inop.
« Reply #14 on: July 14, 2014, 08:47:10 pm »
I don't have a low pressure side gauge :(
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GT Jets

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Re: Chevy Cavalier A/C inop.
« Reply #15 on: July 14, 2014, 08:57:30 pm »
I don't have a low pressure side gauge :(

Well shit. How do you have a high, but no low? :sly:
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Horizonjet

  • Karma: +0/-0
Re: Chevy Cavalier A/C inop.
« Reply #16 on: July 14, 2014, 09:03:18 pm »
Well shit. How do you have a high, but no low? :sly:

LOL! The high gauge comes with the can you buy at the store..LOL. I was a mechanic a while back and the only manifold guages I have are for R-12 :D
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GT Jets

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Re: Chevy Cavalier A/C inop.
« Reply #17 on: July 14, 2014, 09:07:17 pm »
LOL! The high gauge comes with the can you buy at the store..LOL. I was a mechanic a while back and the only manifold guages I have are for R-12 :D

The kit hooks to the low side... :sly:
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

steves86ta

  • Karma: +41/-0
Re: Chevy Cavalier A/C inop.
« Reply #18 on: July 14, 2014, 09:09:33 pm »
Where are you located?

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Horizonjet

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Re: Chevy Cavalier A/C inop.
« Reply #19 on: July 14, 2014, 09:10:55 pm »
The kit hooks to the low side... :sly:

Well shit! Do I feel stupid....getting old sucks! 
Then the guage for the low side reads high then and I don't know what the high side reading is.
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Horizonjet

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Re: Chevy Cavalier A/C inop.
« Reply #20 on: July 14, 2014, 09:12:09 pm »
Im in Phoenix aka "Hell"...LOL!
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steves86ta

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Re: Chevy Cavalier A/C inop.
« Reply #21 on: July 14, 2014, 09:20:57 pm »
Im in Phoenix aka "Hell"...LOL!

Little far or I'd say come use my gauges!  Go to harbor freight and grab a set. It won't be the last time you will use them.

Hell buy em. Use em. Then return em. Harbor freight takes everything back.

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steves86ta

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Re: Chevy Cavalier A/C inop.
« Reply #22 on: July 14, 2014, 09:22:36 pm »
http://m.harborfreight.com/a-c-manifold-gauge-set-92649.html

59.99. And Google image search a 25% coupon. Print it out and you are golden

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Horizonjet

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Re: Chevy Cavalier A/C inop.
« Reply #23 on: July 14, 2014, 09:24:45 pm »
True. It wont be the last/only time I use them. Ill go there tomorrow and see how it goes. Thanks
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steves86ta

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Re: Chevy Cavalier A/C inop.
« Reply #24 on: July 14, 2014, 09:25:26 pm »
True. It wont be the last/only time I use them. Ill go there tomorrow and see how it goes. Thanks
Yeah they will work good enough for you.



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