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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2000 Cadillac DeVille Question: intermittent ac operation sometimes cool other times hot?
Answer #1Greg's Orange Auto (14915 Answers) , Orange, CA - (714) 361-9386globalhelper August 26, 2013, 16:03Master
MUST HAVE GAUGE READING TO VERIFY PRESSURES ARE GOOD. POSS ORFICE TUBE BLOCKAGE WHICH WOULD GIVE YOU HIGH SIDE PRESSURE
Replypapajohn58, August 26, 2013, 16:15Rookie
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.