[brad2000]

I had the P/S fluid level going down in the reseroir, and looked under the vehicle to see where it was leaking, and there was what is termed the "pressure switch", which I was told the function of it was to disengage the A/C compressor when turning at maximum turns to allow more engine power to the P/S pump. My question is this the function of the switch, and the reason for it to malfunction at only 70.000 miles?? Defective part??