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1997 GMC Yukon Bad Recirculation Actuator?

There is no heat in my 97 GMC Yukon. The climate controller works fine, the driver side actuator (mode actuator?) and the actuator on the lower, passenger side, attached to the blower motor (blend door actuator?) works fine as I just replaced that and the heat still doesn't work. I am thinking I replaced the wrong one and that it is the third actuator that is causing the no heat. Wondering where the third actuator is located. From my understanding it is on the upper, passenger side somewhere. I have the dash apart already. Unfortunately I read that this is the hardest one to get to. Any help would be greatly appreciated.

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If one side still blows cold and the drivers side blows hot, you need to replace the actuator that is for the drivers side.
Schematic:
http://www.tonkinonlineparts.com/showAssembly.aspx?ukey_product=5907359&ukey_assembly=844095
On the passenger side, under the dash there is a black plastic housing that goes from the pass door to behind the center console. Remove this black cover. There are 3-5 screws at the bottom. The panel pulls out. Once removed you see the vent control, actuator located upside down under the unit. The right hand side center console wall stops right before touching it. It uses 2-3 screws.
REMEMBER DO NOT connect power until installed or teeth will grind.
Just an FYI: I'm not affiliated w/ Rockauto I just buy a lot of parts and they have great customer service, show all competing prices, provide choices from, best, or brand name to low quality. PEACE

Here's a youtube video for passenger side
http://www.youtube.com/watch?v=_m8wcIcV3AM
This is for Blend Door
http://www.youtube.com/watch?v=ABRG1Vh8igE
http://www.youtube.com/watch?v=5tkblisY7-w

Posted on Nov 27, 2013

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Posted on Jan 02, 2017

dnewcombe1
  • 1564 Answers

SOURCE: Air Blend Actuator not working

Make sure you are getting plenty of vacuum to the control, if you are than it will have to be replaced.

Posted on Sep 05, 2009

  • 1 Answer

SOURCE: Air conditioner blows hot air after 30 seconds on

I have had this problem. I am not a mechanic...so to correct the issue temporarily, I simply turn off the car and restart. This has worked everytime for me. In extreme cases, I think you can also remove the AC fuse and start the car, which will also reset the computer. I also think that by taking the climate control off the "AUTO" setting has worked in the past.

Posted on Oct 27, 2009

afarri
  • 1386 Answers

SOURCE: Started with cold air on

Hello and welcome to FixYa!

It's really tricky. I suggest that you have a pcm or bcm swap if you happen to know someone who has one. Looks like that the wirings are good but the thing that controls the electricals is tripping. A bcm (body control module) or pcm (power train control module) swap will help you identify the fault.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Jun 27, 2011

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2007 Trailblazer 4.2L no air front vents a little air from consel vent any ideals? This is a climate control system.


I assuming the blower motor is working ? Because you don't say one way or the other . When switching from floor to vent to defrost do you hear any noise from in back of the I/P ? Mode door actuator . When moving from heat to A/C does anything change ? Or stay the same ,little air flow ?

I know must people do not want to hear this but you should take it to the dealer an have it checked for DTC'S - diagnostic trouble codes ! The auto parts stores con not read these codes .
More then likely one of the system actuators ( electric motor ) is bad an code is present .
DTC B0229, B0414, B0424, B3761, or B3770
The following DTCs are for the HVAC door actuators:
• B0229 is for the recirculation actuator.
• B0414 is for the left air temperature actuator.
• B0424 is for the right air temperature actuator.
• B3761 is for the defrost actuator.
• B3770 is for the mode actuator.

DTC B0248, B0263, B0268, B0408, or B0418

The following DTCs are for the HVAC door actuators:
• B0248 is for the defrost actuator.
• B0263 is for the mode actuator.
• B0268 is for the recirculation actuator.
• B0408 is for the left air temperature actuator.
• B0418 is for the right air temperature actuator.

Mar 13, 2017 | Cars & Trucks

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2010 F150 Lariat. Dual climate control works only on passenger side. Rear temperature controls work fine. Driver side or left vents only blow hot air. Regardless if AC is turned on or temperature...


If the driver's blend door actuator has failed completely, or the wiring to it is damaged, you will not hear any clicking. Check for appropriate voltage at the blend door actuator, and determine from there if it's the actuator or the control unit.

Dec 20, 2016 | 2010 Ford F-150

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08 dodge nitro blows hot air on passenger side but cold air out the drivers side!! Any answers




NOTE: LHD model shown. RHD model similar. All vehicles are equipped with a common heater, ventilation and air conditioning (HVAC) housing assembly (1). The heating-A/C system combines A/C, heating, and ventilating capabilities in a single HVAC housing mounted within the passenger compartment behind the instrument panel. The HVAC housing assembly includes:
  1. Mode-air doors (2)
  2. A/C evaporator (3)
  3. Recirculation door actuator (4)
  4. Air inlet housing (5)
  5. Recirculation-air door (6)
  6. Blower motor (7)
  7. Blower motor resistor (8)
  8. Heater core (9)
  9. Air distribution housing (10)
  10. Blend-air door (11)
  11. Blend door actuator (12
  12. Floor distribution ducts (13)
  13. Mode door actuator (14)

Jan 28, 2015 | 2008 Dodge Nitro

1 Answer

2001 chrysler town and country. A\C heat Blowers will not work when controlled my front main pannel. It is a auto temp controlled system. The rear blower will work but no heat when controlled by the rear...


Hi,
This may be similar to what I just fixed on an '00 dodge:
http://www.dodgeintrepid.net/showthread.php?t=89711

Accessing the Integrated Diagnostic System:

Procedure for Automatic Temp Control (ATC) equipped vehicles:

With the engine ON and the vehicle stopped set the temp to 75*F. Next hold down the Floor, Mix and Defrost buttons until the ATC display begins to flash. While the display is flashing, the system will run it's tests and calibrations.

When the display stops flashing, the tests and calibrations are complete.

The ATC display can only display one error code at a time. Any stored codes can be scrolled through by pressing the Panel mode button once for each code. DO NOT press any other button or you will have to start the test over. Note the codes and refer to the list below to determine what system is malfunctioning.

List of Climate Control DTCs:
23: Blend door actuator feedback failure (bad servo)
24: Mode door actuator feedback failure (bad servo)
25: Ambient temp sensor failure
26: ATC In Car thermister failure (ATC only, bad ATC head or ATC head disconnected while battery is connected)
27: ATC in car sensor failure (ATC only)
31: Recirculation door actuator stalled (stuck door or bad servo)
32: Blend door actuator stall failure (stuck door or bad servo)
33: Mode door actuator stall failure (stuck door or bad servo)
34: Engine temperature message not received (ATC only, bad ATC head or bus failure)
35: Evaporator sensor failure
36: ATC control communication failure (bad ATC head or bus failure)
37: Blend door actuator output shorted to battery (bad servo or wiring fault)
38: Blend door actuator output shorted to ground (bad servo or wiring fault)
39: Mode door actuator output shorted to battery (bad servo or wiring fault)
40: Mode door actuator output shorted to ground (bad servo or wiring fault)
41: Recirculation door actuator output shorted to battery (bad servo or wiring fault)
42: Recirculation door actuator output shorted to ground (bad servo or wiring fault)
43: Common door shorted to battery (probable wiring fault, could be a servo that failed in an odd manner)
44: Common door shorted to ground (probable wiring fault, could be a servo that failed in an odd manner)
45: A/C control blend door input open or shorted with respect to ground (MTC only, wiring fault or bad servo)
46: A/C control blend door shorted to battery (MTC only, wiring fault or bad servo)
47: A/C switch failure (MTC only)
48: A/C control mode door input shorted to ground (MTC only, wiring fault or bad servo)
49: A/C control mode door input shorted to battery (MTC only, wiring fault or bad servo)
50: A/C control electric backlite (EBL) switch fails (MTC only)

51: System voltage too low for calibration!!! (check battery cables, battery and alternator!)

Dec 10, 2014 | 2001 Chrysler Town & Country

1 Answer

Ac blowing heat on side and air on the other side.


Air Door Actuators Removal & Installation Console Mode To Remove:
  1. Remove the center console from the vehicle.
  2. Detach the air outlet duct from the center console.
  3. Disconnect the console mode actuator connector.
  4. Detach the console mode actuator from the center console.
To Install:
  1. Attach the console mode actuator to the center console. Torque the screws to 17 in-lb (1.9 Nm).
  2. Connect the console mode actuator connector.
  3. Attach the air outlet duct to the center console. Torque the screw to 17 in-lb (1.9 Nm).
  4. Install the center console into the vehicle.
Left Side Air Temperature To Remove:
  1. Remove the instrument panel carrier from the instrument panel.
  2. Disconnect the left side air temperature actuator connector. HVAC control module - left side gm-10-00-1844.gif

  3. Detach the left side air temperature actuator from the HVAC module.
To Install:
  1. Attach the left side air temperature actuator to the HVAC module. Torque the screw to 17 in-lb (1.9 Nm).
  2. Connect the left side air temperature actuator connector.
  3. Install the instrument panel carrier onto the instrument panel.
  4. Recalibrate the left side air temperature actuator.
Right Side Air Temperature To Remove:
  1. Remove the instrument panel carrier from the instrument panel.
  2. Disconnect the right side air temperature actuator connector.
  3. Detach the right side air temperature actuator from the HVAC module.
To Install:
  1. Attach the right side air temperature actuator to the HVAC module. Torque the screw to 17 in-lb (1.9 Nm).
  2. Connect the left side air temperature actuator connector.
  3. Install the instrument panel carrier onto the instrument panel.
  4. Recalibrate the right side air temperature actuator.
Mode To Remove:
  1. Remove the left floor duct from under the instrument panel (I/P).
  2. Disconnect the mode actuator connector. HVAC control module - left side gm-10-00-1844.gif

  3. Detach the mode actuator from the HVAC module.
To Install:
  1. If installing a new mode actuator, move the mode door to the middle position.
  2. Attach the mode actuator to the HVAC module. Torque the screw to 17 in-lb (1.9 Nm).
  3. Connect the mode actuator connector.
  4. Install the left floor duct under the instrument panel (I/P).
  5. Recalibrate the mode actuator.
Defrost Valve To Remove:
  1. Remove the instrument panel carrier from the instrument panel.
  2. Disconnect the defrost valve actuator connector. HVAC control module - left side gm-10-00-1844.gif

  3. Detach the defrost valve actuator from the HVAC module.
To Install:
  1. Attach the defrost valve actuator to the HVAC module. Torque the screw to 17 in-lb (1.9 Nm).
  2. Connect the defrost valve actuator connector.
  3. Install the instrument panel carrier onto the instrument panel.
Recirculation To Remove:
  1. Remove the HVAC module from the instrument panel.
  2. Detach the air inlet assembly from the HVAC module. Recirculation actuator removal and installation gm-10-00-1845.gif

  3. Disconnect the recirculation actuator connector.
  4. Detach the recirculation actuator from the HVAC module.
To Install:
  1. Attach the recirculation actuator to the HVAC module. Torque the screw to 17 in-lb (1.9 Nm).
  2. Attach the air inlet assembly to the HVAC module. Torque the screw to 17 in-lb (1.9 Nm).
  3. Connect the recirculation actuator connector.
  4. Install the HVAC module into the instrument panel.
  5. Recalibrate the recirculation actuator.
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Aug 17, 2010 | 2004 GMC Envoy

1 Answer

Driver side hot passenger side cold


You most likely have a bad Temperature control door actuator on the drivers side. When you select a temperature setting with the dash controls these actuators move the air temperature control doors to match your settings and give the controler feedback on what their position is. If an actuator goes bad it loses it's place and will often end up at the full heat position. Sometimes they will work again for a while if you shut off the vehicle for 15 seconds or so and try again as the actuator will reset and be in the right position again until it stops working once more. Hope this helps and good luck!

Aug 11, 2010 | 2004 GMC Yukon

1 Answer

Duel zone climate control on passenger side blows hot air when turned down cold. Driver side works fine.


There is a temp door actuator motor that is not working for that side,the dash has to be removed and laid on the front seat to replace the actuator motor,

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1 Answer

Air conditioner blows hot air after 30 seconds on drivers side, on start up. Passenger side works fine. Air blows out correct vents per setting on air conditioning. Replaced blend door actuator on drivers...


I have had this problem. I am not a mechanic...so to correct the issue temporarily, I simply turn off the car and restart. This has worked everytime for me. In extreme cases, I think you can also remove the AC fuse and start the car, which will also reset the computer. I also think that by taking the climate control off the "AUTO" setting has worked in the past.

Oct 03, 2009 | 2004 GMC Yukon

1 Answer

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you need to change drivers side temp door actuator then disconnect battery for 5 seconds and reconnect after changing the part, turn key on for 60 seconds with touching heater control to allow actuator to program and then it will work.

Sep 19, 2009 | 2004 GMC Yukon

1 Answer

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The actuator has gone bad. They can be programed, and reset, but usaly they are bad, and that will only patch the problem for a while.

Jun 18, 2009 | 2005 GMC Yukon Denali

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