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1995 Chevrolet Other Air conditioner

Tiny
BOYKIN0732
  • MEMBER
  • 1995 CHEVROLET
  • 6.2L
  • VR5
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I have hooked my ac gauges to the unit and I see 45 psi on low side and about 50 psi on high side. What is the cause for high side pressure. It has a new compressor and a expansion valve
Saturday, October 24th, 2015 AT 11:06 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
It sounds as if the refrigerant charge is low, do you know if the correct weight of refrigerant has been added, if unknown, check for any leaks, and do a recovery and check the weight recovered and compare with the correct charge required.
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Thursday, October 29th, 2015 AT 4:46 AM

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