A/C unit

Asked by dgiorgia Jun 30, 2012 at 03:25 PM about the GMC Sierra

Question type: Maintenance & Repair

A/C unit will kick on-off every 2seconds without cooling the truck, have checked the refrigerant and
appears full, suggestions?

1 Answer
3,065

Mike answered 11 years ago

I would say you are low on refrigerant. Have you hooked up gauges to both high and low sides to see if it was full? You cant tell just off the low side

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