1997 Cadillac DeVille "low ac" Questions

...low refrigerant,Ac compressor is off, fill with Freon, but still reads low refrigerant, if I jump ac compressor with hot wire , ac blows cold ??? Either connection is bad to low pressure sensor or ...

...AC system you do not need to by-pass the low pressure switch, just start the vehicle and turn the AC on to maximum, then charge the AC system and when there is enough pressure in the system the ...

AC system, and the low pressure switch will even prevent the AC compressor from operating until there is sufficient pressure to operate the AC compressor without damaging it. Start the engine and turn

...AC system is low on refrigerant and is under-charged. If both low and high side readings are too high, this indicates an overcharged system - too much refrigerant. This also can indicate ...

...until the temp reach 221 degree f. the low speed fan came on but shut off as soon as I turned on the AC. There are no OBD codes. any low fan relay or just fan comes on when the aircon switch is ...

low-refrig ac off message is on the "low-refrig a/c off" message is on. added refrigerent, still on. blower not working. disconnected the battery to reset computer. still not working. replaced blower.

...ac it says low refridg/ac off on the instrument panel but if I disconnect the battery and re hook the battery it blows out cold until cut the engine off and restart then it pops back on the dash low ...

ac not working my digital reader says low refridge ac off but system is full the sensor that detects low freon went bad and your compresor is not turning on try replacing that sendor

...low refrig-ac-off. Check engine light on!. Hi! My 1999 Cadillac Deville for about 2 weeks started messaging low refrig-ac-off. I kept driving figuring nothing to do with engine ability. THEN 2 days ...

...low on refrigerant and AC compressor off...I am assuming that is to keep it from getting damaged. I tried to add Freon (i know how, where the low side is and all that) but I cant get the system to ...