2002 GMC Sierra Airconditioning

119,000 MILES • 6.0L • V8 • 4WD • AUTOMATIC
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COACH89
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  • 1 POST
I checked the pressure of my refrigerant and the gauge indicated too high. Will this cause my AC to not cool sufficiently?
Aug 8, 2015 at 8:57 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Yes,
Aug 8, 2015 at 11:01 AM
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COACH89
  • MEMBER
  • 1 POST
Should I have some of the refrigerant taken out of the system, or should I take it all out and replace it with the proper amount?
Aug 8, 2015 at 1:33 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Since we really don't know how much is in the system, it should be evacuated (vacuumed out) and then refilled with the proper amount. Can you tell me the pressure you saw on both the high and low sides?
Aug 9, 2015 at 12:34 PM
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