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2010 silverado A/C issue

Old July 9th, 2019, 7:05 PM
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Default 2010 silverado A/C issue

Have a 2010 Silverado LS 4.8

Having a weird a/c issue I cant figure out. A/C will blow cold for a short period of time the compressor will then proceed to cycle on and off intermittently for random amounts of time. My high and low side pressures are good several days in a row no signs of a leak. Mechanic thought perhaps the refrigerant temp sensor was bad. Not wanting to pay 1k for labor I proceeded to drop the dash and replaced the temp sensor but the same problem persists.

Heres the deal, with the temp sensor disconnected entirely the a/c runs cold and consistently although I realize this will cause the compressor to run continuously unless I turn the ac off. What am i missing? This model does not have digital climate control so I dont think there is a cabin temp sensor
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Old July 10th, 2019, 4:43 PM
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Originally Posted by Eric Pack View Post
Have a 2010 Silverado LS 4.8

Having a weird a/c issue I cant figure out. A/C will blow cold for a short period of time the compressor will then proceed to cycle on and off intermittently for random amounts of time. My high and low side pressures are good several days in a row no signs of a leak. Mechanic thought perhaps the refrigerant temp sensor was bad. Not wanting to pay 1k for labor I proceeded to drop the dash and replaced the temp sensor but the same problem persists.

Heres the deal, with the temp sensor disconnected entirely the a/c runs cold and consistently although I realize this will cause the compressor to run continuously unless I turn the ac off. What am i missing? This model does not have digital climate control so I dont think there is a cabin temp sensor
Does your Silverado have an ambient temperature sensor on the front of the condenser?
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