Question about 2003 Chevrolet Tahoe

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2003 tahoe blows heat at 90 setting but goes cold at 89

I have heat when control is set at 90 . but adjust to 89 or below goes cold

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6ya6ya
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Posted on Jan 02, 2017

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  • 54 Answers

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

Posted on Jul 29, 2009

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airjer995
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SOURCE: 2003 tahoe 5.3 engine the

I posted this how to tip a while back. It should help you get the blower motor working again.

http://www.fixya.com/cars/r6571076-blower_motor_not_work

Posted on May 16, 2011

sulavaca
  • 1007 Answers

SOURCE: ac doesn't blow cold air in 2003 tahoe

You will first have to check to see if the refrigerant has leaked out from the system. You may do one simple check yourself which is to turn on the airconditioning and look in the engine bay for the high and low pressure air-con pipes. There will be one pipe freezing cold if the system has refrigerant in it and the pump is working correctly. If not, then have the system checked by a professional.

Posted on Nov 04, 2012

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2003 Chevy Tahoe Front AC blows cold air but rear does not blow cold air


Check control switches, power and grounds, and the 'blend door' operation. If you have a 'no heat' condition throughout the vehicle you should look to make sure the heater core is not plugged, and that the thermostat is operating properly, and that the coolant/antifreeze level is within spec.

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Where is the blend door actuator located on 03 Hummer h2. Driver side blows cold, passenger side blows hot


They are not vac on the h2. there is 2 for temp control, one for recirc and one for blend. check the hummer forum as there is a great read for it there. the driver side actuator is really ez as it's under the glovebox, 20 min fix. the rest take removing the whole dash but it's not that tough.

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My 2003 Chevy Tahoe is blowing a/c from the two vents that face drivers side, but are blowing heat from the passenger (2) vents (while a/c is on not heat). I was told that there is a way to re-set the...


Hello: You have a temp actuator that has failed. Set the temp for 90 degrees then check and see which side is blowing cold, the actuator for the driver side is on the center bottom of the heater case, the actuator for the passenger side is on top of the heater case (the dash has to be removed to replace) There is no re-programming for 2003 and back. After replacing the failed actuator you will have to re-calibrate all doors. One other item you can check is open the passenger side front door, remove access panel on end of dash and make sure all connectors are fully connected.

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Volvo heater blows hot when set oncold


hi, the new cars have a flap to change HOT or COLD temperature, if the control cable brocken, come out of the fixing. the flap is CLOSED. meaning like a 2 way FLAP one way HEAT the other COLD. this is a good sytem it can adjust very little HEAT or very little COLD depends on where the control is set. gerry

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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

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I have a 2004 Chevy Tahoe. The rear a/c stopped


This is something best done by a qualified repair shop . An yes it can have two different problems , not related ! Blower motors do go bad , or a control processor . Does it have manual or automatic HVAC . It would be to your benefit to have someone like this guy diagnose the problem . This is not for a rookie to try !
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