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AC issues 98 s70 S70

posted by  someone claiming to be Andy on  Wed Feb 16 08:48 CST 2011 [RELATED]

Ok. I'll get right to it. AC worked great last week, absolutely no problems.

Outside temp is 75 degrees. Pressure at low side port is ~95 psi with the compressor off.

I start the car, turn the air on full blast. The fan blows, no compressor.

If I jump the pressure switch I get the rad fan relay clicking and the fan turns on. No compressor.

I tried the broom stick method to test the gap. I pushed the clutch to the point where the compressor and the clutch were touching, the compressor did not engage.

Checked the fuses, all are ok. Tried tapping the AC relay under the hood while its running, no luck there either.

Any ideas? I've read some thoughts on the thermal switch but I can't find a lot of info on it. I don't think this is my issue though.






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