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A/C compressor will not come on unless relay is jumped

Tiny
ASEMASTER6371
  • MECHANIC
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20 lbs on the low side is the pressure needed to turn on the compressor.

25 to 30 lbs is the number for low side. You need an expansion valve.

The electrical issue is separate

Roy
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Friday, July 26th, 2019 AT 5:23 AM
Tiny
JASON123177
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The very first thing I done in this process was to change both the front and rear expansion valves.
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Friday, July 26th, 2019 AT 5:28 AM
Tiny
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I saw that but the pressure indicates it is not working correctly.

Roy
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Friday, July 26th, 2019 AT 5:37 AM
Tiny
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What are the pressures withe the engine off

Roy
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Friday, July 26th, 2019 AT 5:37 AM
Tiny
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I will check the pressures when I get home this afternoon and let you know. Thank you again for all of your help! It is very very appreciated!
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Friday, July 26th, 2019 AT 5:41 AM
Tiny
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You are welcome

Always glad to help

Roy
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Friday, July 26th, 2019 AT 5:52 AM
Tiny
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You are welcome

Roy
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Friday, July 26th, 2019 AT 5:54 AM
Tiny
JASON123177
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The static pressure on both sides is 100psi
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Friday, July 26th, 2019 AT 2:55 PM
Tiny
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There is something wrong with that front expansion valve.

Roy
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Saturday, July 27th, 2019 AT 11:11 AM
Tiny
JASON123177
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That’s just wonderful.
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Saturday, July 27th, 2019 AT 12:08 PM
Tiny
ASEMASTER6371
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Sorry to tell you that but the pressure indicates that.

Roy
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Saturday, July 27th, 2019 AT 12:13 PM

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