Question about 2001 Chevrolet Silverado 1500

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AC not working properly on 2001 Chev Silverado.

Temp control stuck: whatever the setting when starting the vehicle, the temp will stay until vehicle is turned off and sometimes longer, usually in a couple of hours or next day. So if you set the temp to hot then try to set back to cold, boom! the air stays on hot! I have already changed out the ac/heater panel switch control.

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6ya6ya
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Posted on Jan 02, 2017

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MrScary66613
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SOURCE: 2000 silverado ac problem

Mine has always done this. As far as I can tell it is just Engaging in anticipation of a Person wanting to change the Temp. Computer Signals it to do this.

Posted on Dec 31, 2008

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  • 3 Answers

SOURCE: 2002 DODGE RAM 1500 P/UP , AC TEMP PROBLEM

Have you checked the cowl to see that it is free and clear of leaves and dirt? You may have to take the plastic off to get down into it and sweep it out with a vac. Usually it is right under your wipers.

Posted on Apr 28, 2009

jagjeffery
  • 318 Answers

SOURCE: 2004 Chevy Silverado AC is blowing warm air on passenger side.

You have dual zones that are controlled by temperature actuators the passenger side has lost its memory or has gone bad you can put it in self programming by disconnecting the battery for ten minutes then hook it back up start the truck turn the temperature control on but do not touch any other controls let it go thru the self programming for about 6 to 7 minutes then select your temperature you want if it still does not work properly you may have a bad actuator or a bad connection at the actuator

Posted on Jun 03, 2009

  • 713 Answers

SOURCE: Drivers side AC will blow hot air.

the blend motor on the vehicle is probably bad

Posted on Aug 20, 2009

  • 4088 Answers

SOURCE: 98 Mustang v6 - no AC

Make sure the radiator pressure cap is the correct one and that the hose is not soft--check the lower hose and heater hoses for softness as well. They should be firm, but not hard or cracking. The temperature sensor is reporting normal operating temperature, so it and the thermostat are working correctly (hot water would blow out of the radiator if it were stuck). Check the cooling fan for free turning and no noise. Check it's grounding connection. Check the fuse box for blown fuses to the fan and to the A/C compressor. Make sure all the relays and fuses are firmly pressed into their sockets. Check the A/C compressor clutch winding for resistance--should not read infinity. Does the blower motor for the heater/A/C run when either is turned on? The A/C switch on the dash may be defective.

Posted on Sep 08, 2009

Testimonial: "Excellent suggestions for diagnostic checks! Thanks!"

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How to burp a raditor in a 2005 chev silverado 5.3 1500


Remove the cap from the reservoir. Fill the reservoir to the proper level. Start the vehicle and let idle until full warmed up. Keep an eye on the coolant level in the reservoir during this time and top off as necessary. Once the vehicle is fully warmed up snap the throttle a couple of times. Add more coolant if necessary.

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When using the ac on a hot summer day,or a mild spring day,the compressor runs all the time.If you set it to low,and turn the temp to cold or toward the warmer side,lets say cool,then the ac compressor runs also,it just cycles,on,and off.No matter what setting you are using on your ac control,the ac compressor stays on,using fuel.Get the most out of your ac,while it uses your fuel,to keep you comfortable.All vehicles have a MAX setting,or a recirculate setting.Always use this setting.I say,always use this setting,not only that,but use this setting.I stress this because you are pulling in air ,from the out side,that is warming the evaporator,and making the ac work harder to give you comfort.In the hot ,hot summer,the settings MAX,and recirculate,keep the air that is in the vehicle,in the vehicle.It recirculates the air,instead of bringing hot air inside the vehicle ,and bringing the temp,up,to a warmer temp.A lot of people don`t even know that this is on the control,or don`t know what it is for.Some times the recirculate button,or dial,will have a picture that looks like a C,but squared off at the corners.So folks,get more out of your vehicles cooling and heat system.Yes ,this will work on heat also,maybe not defrost,but on some cars,it will work.

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