I have a dual control AC unit in my 2004 tahoe. the AC is blowing cold air but there is not pressure. It blows very weak.
Could be blend doors not operating correctly
ButI'd guess the blower motor or resistor is go in outd
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
SOURCE: 2004 chevy tahoe, dual climate control, blowing different temps
Its more then likely the temp door broken or temp door motor broken/stuck. There is 2-3 of these motors under the dash on the side of the evap/heater core box. Some require extensive labor to replace, good luck
SOURCE: ac blowing hot air
the blend door actuator located on the air box (right hand side under dash) is prob. inop. worst case senerio the blend door its self is broken. I have replaced the actuator more than anything.
SOURCE: Air conditioner light flashing
this is usually an indicator that there is a low side high side switch bad or low on freon. does the compressor kick in and out while it is running?
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