Need some assistance with my Climate Control System. Car has 295,000 and has no problems with the cooling system. My problem is I cannot control how hot or cool the temperature in the car. It will put out heat over 140 degrees for a time then will drop off to 60 with in a minute or two. I try to adjust the temperature control knob and it send ti sky rocketing again. Sometimes the slightest adjustment down will cause it to drop down to below 60 and if I try to adjust it up a little bit it jumps back up 140 +. I cannot see any holes or leaks in the mono valve and it clicks when I jumper it off the battery. Any ideas would be welcomed, Mike
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