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Username Post: Location of A/C pressure sensor
Posts: 178
Loc: Fargo, ND
Reg: 01-04-03
06-29-18 05:40 PM - Post#2738552    

Duplicate of my post in MonteCarlo section. The Lumina (& maybe other models) should be the same.

1998 Monte Carlo 3.1V6.
Air Conditioner quit working. Compressor does not engage.
Thought I'd try a Haynes suggestion and force compressor on for a minute-see if it cools by using a jumper wire across the terminals of the low pressure sensor.
Where is this sensor? Haynes manual says its on the evaporator inlet line. I can see where the tubing enters the cabin-back behind the engine. And can (barely) see the 2 service ports down below the air cleaner. Can't see any switch.
My question today is: Where is this low pressure switch (sensor)?
"If it ain't got fins, it ain't a real car!

Edited by KOOL57 on 06-29-18 05:42 PM. Reason for edit: No reason given.
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