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New AC compressor clutch out

Tiny
CANNON1349
  • MECHANIC
  • 672 POSTS
Compressor turns on and off when over 2000 rpm. Can kind of feel it while driving. But no scratching like before. Low side 25 psi and high side 250
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Saturday, September 14th, 2019 AT 5:54 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Low side is low. At 2k does the low side drop off more.

Roy
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Saturday, September 14th, 2019 AT 6:12 PM
Tiny
CANNON1349
  • MECHANIC
  • 672 POSTS
I think it did just a hair, think it's a Freon problem?
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Saturday, September 14th, 2019 AT 6:18 PM
Tiny
ASEMASTER6371
  • MECHANIC
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Yes. The low pressure switch shuts down the system when the low pressure hits 20 lbs.

That indicates a bad expansion valve.

Roy
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Saturday, September 14th, 2019 AT 11:27 PM
Tiny
CANNON1349
  • MECHANIC
  • 672 POSTS
Can't be. The orifice tube and condenser are maybe a month old. I probably just measured it wrong.
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Sunday, September 15th, 2019 AT 6:30 AM
Tiny
ASEMASTER6371
  • MECHANIC
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The gauge is accurate.

Yes, it can be. If the tube is defective or clogged, it will do this.

Take the readings again and post a picture of the gauges at 2k.

Roy
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Sunday, September 15th, 2019 AT 6:52 AM
Tiny
CANNON1349
  • MECHANIC
  • 672 POSTS
The pressure is also in the 20's before 2k.
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Sunday, September 15th, 2019 AT 6:54 AM
Tiny
ASEMASTER6371
  • MECHANIC
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I know. You mentioned that already.

Roy
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Sunday, September 15th, 2019 AT 6:57 AM

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