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I am trying to find the location of the blend door that controls heat in a 1990 300zx. It has digital cc. I just need heat to work instead of cold air its winter time

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  • Expert
  • 137 Answers

MOVE THE LEVER ON THE RIGHT SIDE OF THE BLOWER BOX OPOSITE OF WHERE IT IS.

Posted on Nov 17, 2013

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6ya6ya
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Posted on Jan 02, 2017

chiquititas
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SOURCE: AC is blowing out HOT air... How to get to the Blend Door to check it?

No, you just need to fill freon gas.

Posted on Jun 25, 2008

emissionwiz
  • 75117 Answers

SOURCE: climate control codes

I have checked every site that I can think of and run the question many times, unable to get the procedure, maybe a nice tech at the local dealer will help u out, if not I guess buying a service manual might be your only option. I am a retired Ford mechanic, I did almost all the AC work, I never found this problem was a control head issue, it was always the blend door electric motor, I think you can see it from the glove box if you remove the liner.

Posted on Sep 09, 2008

honeymokey
  • 3113 Answers

SOURCE: air blend door

Replace the broken actuator.

Posted on Apr 15, 2009

  • 50 Answers

SOURCE: 96 LINCOLN TOWNCAR STUCK ON HEAT ONLY !

The heater and a/c blend door actuator motor is located behind the center of the dash just below the windshield. The steering column must be detached and lowered and the dash must be removed to access the blend door motor.

Posted on Oct 12, 2009

  • 202 Answers

SOURCE: Need to find and fix blend door on 2001 Audi A4 Quattro 2.8L

you would have to remove the dash. i would first check the auxilary water pump to make sure it's not leaking. if your car has electronic climate control turn the heat on low with the engine off the change the temperature and listen for an electric motor sound to see if the blend motor is working.

Posted on Oct 29, 2009

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The heater kicks on but only blows cold air


Air Temperature Control Blend Door Failure No Heat or no AC (dependes on where door sticks)

In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called (interestedly enough) the air temperature control blend door actuator. The motor that moves this door fails because the door starts sticking from warping, most common complaint is no heat but it can be no AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a very expensive repair.

Other causes of no heat in the cabin are engine thermostats that are stuck open (engine runs cold) or air bubbles in the cooling system.

Jan 03, 2013 | Cars & Trucks

1 Answer

My heat dosent work


Air Temperature Control Blend Door Failure No Heat or no AC (dependes on where door sticks)

In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called (interestedly enough) the air temperature control blend door actuator. The motor that moves this door fails because the door starts sticking from warping, most common complaint is no heat but it can be no AC as well. To replace these parts (blend door and blend door actuator) you must remove the entire dash from the car. Always have this problem confirmed by a dealer or qualified repair shop as it is a very expensive repair.

Other causes of no heat in the cabin are engine thermostats that are stuck open (engine runs cold) or air bubbles in the cooling system.

Dec 20, 2012 | 1997 Ford Taurus

1 Answer

My heat works great in the front but the rear vents only blow cold


The blend door actuator is located in the left rear quater panel. It's right there when you remove the trim panel (left side rear) Below is a picture of it when panel is removed along with another picture of the air duct system. I also gave you a picture of the connector at the actuator. Make sure you are geting power and test opening and closing. Worst case you could make the blend door stay to where you are geting heat until you can repair the problem...11_6_2012_12_34_03_am.jpg11_6_2012_12_34_21_am.jpg11_6_2012_12_34_35_am.jpg11_6_2012_12_34_48_am.jpg

Nov 05, 2012 | 1999 Ford Expedition

1 Answer

Heater on nissan almera


That noise is the heater and AC air temperature control electric blend door motor trying to move a duct door that is sticking due to heat warping. You will need to remove the entire dash assembly and replace the blend door. This door is located between the AC core and the heater core and "blends" the air from each (hot from heater core and cold from AC core) to give the desired air temperature,.

Oct 11, 2012 | 2001 Nissan Almera Tino

1 Answer

Last week I ran the air conditioning unit in my 2006 Pontiac Torrent, when I got home the weather had turned cold so I put it back on the heat, however, the heater does not work now, all it does is blow...


Hello first of all

Your blend door motor / acuator is bad its basiclly a door that opens and closes when you flip your
heat to ac dial to either allow the hot air through the vents or cold air.

That being said on some suv and cars and trucks you can replace the motor that controlls this blend door can be changed without removing the dash and some you haveto remove the dash.


The blend door is located right by the heater core in the dash but sometimes the motor that controlls the door blend door is accsesable without dash removal and sometimes it is. I posted a picture below of what part is bad i hope it helps you.

If it helps please leave me 4 thumbs up thanks

jamiesturm29_5.jpg

May 17, 2011 | 2006 Pontiac Torrent

1 Answer

It blows cold air out the driver side vents instead of warm air when the heat is turned up


Hello,
An all too common problem is the heat/air blend door in the climate control duct system. The blend door is either stuck, or you could have a bad actuator, ( the actuator is the device that moves the blend door based on your setting.)

I would likely have that checked first.

I hope this helps you.

Feb 10, 2011 | 2003 Hummer H2

1 Answer

1999 ford f150 only blows cold air, blend door works fine and the heat core is getting hot. I moved the temperature dial towards cold the other day and the heat hasn't worked since. Please help. Thanks


the flapper door is not closing and opening properly...it is located in the duct work....remove heater control panel and follow the cable to the flapper door

Jan 26, 2011 | 2001 Ford F150 Styleside SuperCrew

1 Answer

My is heat is not work?My car is blowing cold air instead of hot air, I have a brand new heater core,the thermostat is not sticking,I got anti-freeze in it,It's getting cold in I need heat.Please help me


first feel the heater core hoses see if both are hot if so then your problem is in the blend air door must be stuck on cold. is your blower motor blowing cold air if not your blower motor might be the problem. the blend air door is down by the blower motor.

Nov 17, 2010 | 1995 Oldsmobile Cutlass Supreme

2 Answers

Blend door for front temp control is stuck in the 'cold' position this winter. Is there a way to manually move and fix the door to get some heat?


you have to replace the blend (heat/cold) door motor, you can try to remove motor and turn door and try to jam something in door handle slot ,that the part that the motor turns,hope this helps.

Dec 26, 2009 | 2001 Ford Windstar

3 Answers

The HVAC does not switch from cold to hot. Seems like the temp control door is not moving. Air conditioning is working fine. the inlet and outlet hoses at the firewall are both hot.


The location of the blend motor on my 2005 malibu is on the driver side, near the center consol, not easy to get to. Before you try to remove the blend motor, unplug the wires it, turn the temp knob to cool side, disconnect the pos side of the battery for a couple of minutes. Reconnect the battery, plug in the bend motor start the car and turn the temp control to heat side. If this does not work remove the motor and repeat. the motor my be jamed. I had the same problem, this might be a cheaper way to fix this instead of the dealer. PS if you remove the blend motor, be carfull to look at the orientation of the spring on the shaft of the door in case it pops off.

Sep 05, 2008 | 2005 Chevrolet Malibu Maxx

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