Air Conditioning problem
1998 Cadillac El Dorado V8 Front Wheel Drive Automatic 101000 miles
System stopped working, compressor will not come on. Dashboard signals "check A/C system" and "low refigerant pressure, A/C off" alternately. Mechanic evacuated and recharged the system with no change. He then jumped out the A/C relay in the fuse box under the hood and the compressor came on. System then worked flawlessly and was 45 degrees at the interior vents. Everything works fine with the jumper wire. Prior to recharge the inline filter (plastic) was replaced (there was no debris on it). New A/C relay did not correct the problem. I bought a climate control assembly for the dashboard and replaced the blower motor on the firewall, I even bought a new computer and nothing will make the compressor come on, but obviously the sytem is able to work fine. Tried to jump out the two sensors on the high side pipe that runs accross the firewall L to R. Nothing will make the compressor come on (other than jumping out the relay) or the allerts go away on the dash. Disconnected the battery at every repair attempt. The heater, the defroster (without the compressor coming on) and the blower all work fine. When you press the A/C button on the climate control, the system comes on but blows warm air. One of the mechanics I spoke to said the 'fan controller module' is bad but I don't know where that is or if it could be the culprit. My mecaninc (and I) have given up. HELP
have the same problem?
Tuesday, September 23rd, 2008 AT 1:42 PM