ac blows cold then hot again

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  • #16122 Reply


    my AC blows cold sometimes just for a moment and then goes hot again I’ve refilled it doesnt help checked for leaks there arnt any showing with uv light an liquid? 1994 gmc vandura an it only blew cold for a moment while driving, any ideas? i can ad more info?

  • #16130 Reply


    Yes, more info would be helpful.
    Can you confirm the A/C compressor is engaged when you turn on the air?
    Do you know how much Freon is in the system right now? It is not overfull now, is it?

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