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2000 Cadillac DeVille Question: intermittent ac operation sometimes cool other times hot?

 

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papajohn58, Herrin, IL, August 26, 2013, 08:47
 Rookie

when working ac blows cool at best otherwise warm to hot air in all vents. checked pressure and very good no leaks, but air is never very cold when working.

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  • Answer #1

    Greg's Orange Auto (12997 Answers) , Orange, CA - (714) 361-9386
    globalhelper August 26, 2013, 13:03
     Master

    MUST HAVE GAUGE READING TO VERIFY PRESSURES ARE GOOD. POSS ORFICE TUBE BLOCKAGE WHICH WOULD GIVE YOU HIGH SIDE PRESSURE

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    papajohn58, August 26, 2013, 13:15
     Rookie

    I added a little refrigerant to check for blockage on low side valve. After which showed increased pressure. Sorry I didn't mention this and I appreciate your quick response. Thank you.

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