It’s not the high/ low switches under the hood.
It is a sensor that goes in the air box under the dash where the evaporator is.
What is the make and model of your truck?
A/C help please
Discussion in 'Peterbilt Forum' started by Kozakvod, Jun 28, 2019.
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Found this on the internet.
Should be accurate for your truck.
There is one temperature sensor for the main cab and one for the bunk. -
Usually when you open the system up, the expansion valve and dryer is supposed to be replaced. Then vacuum the system, check for leaks and charge.
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Diesel Dave Thanks this.
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also check your rubber drain valve. make sure its free and not stuck closed. just like a reefer trailer.
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