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2001 Silverado AC is on all the time

wazzabie

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The AC is on all of the time even when the ac button is off. Any thoughts on what could be going on? Maybe the relay is stuck in the closed position?
 
Is it actually on, or is that the one with the stupid AC off light?

Martin
 
By always on I assume you mean the clutch is constantly engaged?

If the relay is stuck, the clutch should disengage if you pull the relay out. My Vette used a standard micro relay for the A/C clutch, the Silverado is probably a similar setup. Swap the relay and see if that cures your problem. If not, you could have other issues, such as a bad pressure switch, freon charge issue, a bad A/C clutch, or a problem with the control unit.
 
I dont see the problem. You shouldnt be worried for at least 2 more months :haha:



Stupid reminder the AC comes on with defrosters.
 
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