Question about 2001 Chevrolet Silverado 1500
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Posted on Jan 02, 2017
SOURCE: air condition/heater
sounds like the air-conditioning expansion valve is probably not working correctly here is a way you can fix your air conditioning:
Posted on Jun 05, 2008
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
GM has a known problem with the electric actuators that operate the blend and temperature doors in the HVAC system. There are 4 or 5 of these in the typical system. Any can start sticking or binding and cause this problem. Sometimes they can be cleaned, or they might need to be replaced. Sometimes resetting the HVAC system controller by disconnecting the battery for 10 minutes, then reconnecting it, will correct the problem.
Posted on Sep 15, 2009
Feel the hoses going into the heater on the firewall. If one is hot and the other is cool, then the heater control valve is not working for whatever reason. Check the flow valve.
Posted on Nov 07, 2009
heater core might be clogged
Posted on Jan 11, 2010
Testimonial: "This worked fine I was thinking I would have to tear the heater apart, the temputure here has been 0 to about 20 THANKS for the help"
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