Engine Size: 2.2
Refrigerant Type: R-134A
Country of Origin: United States
I bought this 2000 Saturn LS-1 after loosing a vehicle in a Flood, back in September of 2008. The man I purchased this car from said that Someone had broken the Drivers Window Out and of course the car wouldn't Start because of the Passlock-II Security System. So he said that the A/C had worked perfectly up until he had replaced the fuse from the AC to the Alarm System to get the car to start.
The Freon is filled and the AC Clutch is not locked up. I know there is probably something very simple that I may have overlooked. Could anyone shed some light on this issue??
The A/C has been checked for Freon R-134A with Gages by professionals and it was in fact full with No Leaks. There has to be another thing to try. This gentleman that I purchased this vehicle from assured me when I had purchased this Saturn Vehicle that the A/C is a very easy fix with a Fuse or Relay and that it was the Fuse that he had moved around from the A/C to the Security System to get the car to start after the Drivers-Side Window was had been replaced after an attempted break in. I have also personally went through all three of fuse panels and replaced various replays and fuses to no avail. I have noticed that the RPM's will very slightly adjust as soon as the A/C button is pressed and the blower fan is turned on but the compressor is still not engaging. This vehicle has 127k miles on the clock.
Hooking up gauges and reading pressures isn't enough to tell someone that their system is full. But it will tell you if you have enough static pressure to engage the compressor clutch, which I assume is somewhere over 30psi.
It could be anything. Defective low pressure switch that doesn't make. Defective high pressure safety, defective AC clutch relay. But if the guy said the AC worked perfectly until he pulled the fuse, I would hope that the components are fine.
I'm kind of confused by what the guy told you. A fuse blew in the alarm circuit? so he pulled a fuse from the AC circuit and used it to replace the blown one, to get the car to start. Simple enough, find the amperage of the fuse he pulled from the AC, where it's supposed to be located, and put a new fuse in. No need for a relay or anything else unless he's physically changed the way the AC system is wired, such as using the AC clutch relay to rig up a starter disable bypass on the fly.
Unfortunately, when someone has altered wiring, it's not really an easy fix unless you know exactly what they did. You need to find a wiring diagram for your car to find out what exactly is tied to the compressor clutch. Find the AC clutch relay and trace wires.
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