Quote:
Originally Posted by Knightrider966
Yes! The probe is measuring the temp of the refrigerant directly and when this part is removed, your refrigerant will escape.
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This is incorrect. {sorry Knightrider} Tango has the correct explanation, and it even comes with a link to a picture......
The pressure switch is the only one that taps into the freon "circuit".
I also don't know this for sure, but I believe the explanation by
cbjukraine of the aux fan coming on when engine hot and AC not on is correct. At least it makes sense. {ie: heat from radiator to condenser lines to temp switch} My '80 wagon and my '85 both did this.