Question about 2003 GMC Yukon XL

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Recirculation actuator stuck

How do I replace the recirculation mode door actuator in my 2003 Yukon due to it being jammed and not moving when commanded?

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Posted on Jan 02, 2017

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SOURCE: Gmc yukon stuck in park.

possible brake switch not sending signal to shifter solenoid to allow shifter movement. possible broken shifter knob/relay rod in shifter assembly

Posted on Nov 15, 2009

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emissionwiz
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SOURCE: How to determine bad actuator or bad recirculating

u have a loss of engine vacuum to the dash control that moves the actuators that change the air flow around to the diff locations of the dash. Start at the engine supply hose and work backwards, the vacuum line comes in on the passenger side from the engine bay, it is under the dash along with other plastic vacuum lines the supply line is black, u will need a MITYVAC brand tester to check the vacuum supply to the diff vacuum actuators in the dash.

Posted on Mar 16, 2010

Testimonial: "Right on the money! I was transporting some 8' pvc pipes and they knocked out the vacuum line. Fix took 1 minute."

  • 1 Answer

SOURCE: Sunroof stuck open on 2003 gmc yukon. When you

Had the same problem with my 2003 Denali, dealer said they would have to replace the entire "module" for around $928, plus four hours labor. I called a sunroof repair shop and they said to hold down the "close" button for 10 seconds and it would re-set itself. It worked perfectly. Never going back to that dealer again!

Posted on Oct 11, 2010

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1 Answer

What makes a Clicking noise coming from dash board on the passenger side?


Possibly an actuator in your HVAC system. There are actuators to move the blend door, mode door, recirc door, and possibly others depending on your HVAC options (climate control, dual control, etc). With your car running, can you change the temperature from cold to hot and back, and can you direct airflow to floor, defrost, and dash vents? When you select recirculate (max a/c), can you hear the change? If you have problems with any of these, you may need to replace an actuator or one of the doors may be jammed.

Jul 25, 2017 | Chrysler Cars & Trucks

1 Answer

My 2002 Cadillac Deville won't blow air directly to my face out of the vents, please help.


Center vents not working , is this what your saying ? Air comes out of the defroster vent or floor vent only ? Mode door stuck or mode door actuator bad !
Mode and Recirculation Actuators The mode and recirculation actuators are 2-wire bi-directional electric motors. Two control circuits enable the actuators to operate. The control circuits use either a 0 or 12 volt value to co-ordinate the actuator movement. When the actuator is at rest, both control circuits have a value of 12 volts. In order to move the actuator, the HVAC control module grounds the appropriate control circuit for the commanded direction. The HVAC control module reverses the polarity of the control circuits to move the actuator in the opposite direction.
The HVAC control module(IPM) determines the door position by counting motor pulses on one of the control circuits. These pulses are small voltage fluctuations that occur when the brush is shorted across two commutator contacts as the motor rotates. As the actuator shaft rotates, the HVAC control module(IPM) monitors the voltage drop across an internal resistance to detect the pulses. The HVAC control module(IPM) converts the pulses to counts with a range of 0-255 counts. The HVAC control module(IPM) uses a range of 0-255 counts to index the actuator position.
If the problem is the actuator the instrument panel has to be removed to replace it . Your best bet is to take your vehicle to a qualified repair shop .

Jun 28, 2016 | Cadillac Cars & Trucks

1 Answer

How to replace an air inlet actuator on 2007 Pontiac Vibe 1.8 Liter Engine


Recirculation Control The recirculation control determines the air intake through the recirculation actuator. When the recirculation switch is pressed, a signal is sent from the switch to the recirculation actuator through the recirculation signal circuit. When the actuator receives the signal, the actuator moves into the recirculation mode. This circulates air from inside the vehicle instead of fresh air from the outside. Recirculation is available in any mode and can be selected with the blower motor in either the ON or OFF position.
Air Inlet Valve Actuator Replacement
Removal Procedure
  1. Remove the Instrument Panel (IP) compartment. Refer to Instrument Panel Compartment Replacement .
remove the glove box
Remove the connector (2). Remove the two screws (1) and the air inlet actuator (3) from the HVAC module.

Apr 18, 2016 | Pontiac Cars & Trucks

1 Answer

My heater is stuck on the windshield and floor what actuator needs to be changed


Air Distribution
The HVAC control module controls the distribution of air by the use of a defrost actuator and a mode actuator. The modes that may be selected are:
?€¢
Defrost


?€¢
Defog


?€¢
Panel


?€¢
Bi-Level


?€¢
Floor

The mode and defrost actuators are connected to the mode and defrost doors by a cam type linkage system. Depending on the position of the door, air is directed through the HVAC module and distributed through various ducts leading to the outlets in the dash. If the HVAC control module detects a fault with the mode or defrost doors the HVAC control module will try to drive the actuator for a predetermined amount of time, to defrost, which is the defaulted position for the mode and defrost door actuators. When the mode switch is placed in the defrost or defog positions the A/C is commanded on and the recirculation door is moved to the outside air position to help reduce window fogging. A/C is available in all modes and recirculation is only available in the panel and bi-level modes.
Circuit Description The following DTCs are for the HVAC door actuators: ?€¢
B0248 is for the defrost actuator.
?€¢
B0263 is for the mode actuator.
?€¢
B0408 is for the left air temperature actuator.
?€¢
B0418 is for the right air temperature actuator.
The HVAC control module controls the HVAC door actuators to regulate the airflow through the HVAC system. Each actuator consists of a stepper motor, a logic circuit, and a potentiometer. The potentiometer inside the door actuator allows the module to monitor the current position of the actuator drive shaft. The logic circuit inside the actuators receives control signals from the HVAC control module and controls the internal stepper motor. When a door positional change is required, the HVAC control module calculates a commanded door position. The module compares the commanded door position to the actual door position and determines the needed direction of motor rotation. The module applies a signal voltage to the door control circuit that is an input to the internal logic circuit of the door actuator. A 5 volt signal increases the door position. A 0 volt signal decreases the door position. When the commanded door position is equal to the actual door position, the HVAC control module sends a 2.5 volt signal to the door actuator and motor rotation stops. The ignition 3 voltage circuit provides source voltage to the logic circuit. The module provides ground to the actuator logic circuit through the low reference circuit. I would start by having the HVAC control module checked for DTC'S -diagnostic trouble codes First . Then check the system by using scan tool data . 1
Did you perform the HVAC Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - HVAC Systems - Manual

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, command the appropriate HVAC door actuator ON and OFF while observing the corresponding Door Actual parameter.
Does the scan tool indicate that the value of the appropriate Door Actual parameter changes?
Go to Diagnostic Aids
Go to Step 3

I would

Apr 02, 2016 | 2003 Chevrolet TrailBlazer

1 Answer

A/c recirculating light comes on when i first start up the 2004 gmc yukon xl will not go off until recirculating switch is pushed. Sometimes comes right back on and u have to reset it again


{: ) Just let it be as this behavior is part of normal operation. Observe for a while. Check again your mode settings, should not be in defrost or defog mode when recirc is requested. The recirc function is available only in face or bi-level mode.
If the recirculation switch is pressed into the ON position when the mode switch is in an unavailable mode position, then the recirculation switch LED will flash 3 times. If the HVAC control module detects a fault with the recirc door the HVAC control module will try to drive the actuator for a predetermined amount of time, to outside air, which is the defaulted position for the recirculation actuator.
Try settling on the face and bi-level mode. You can manually turn on or off the recirc function and observe some air change on the vents. When recirc is off (light off) outside air will also enter and it will mix with the cold air inside if your a/c is on.
The HVAC system also monitors the inside and outside temperature sensors and uses these inputs to control the opening or closing of the recirculation door. If the outside temp is colder, it may not allow recirc off, sometimes it may not even allow a/c function. You may also have a sticking door or failing actuator. If any of the approaches above doesn't come out well, you may proceed for a scan tool diagnostic test to be sure, if your HVAC system does have a trouble.

Aug 27, 2011 | 2003 GMC Yukon XL

2 Answers

2006 crown Victoria blows hot air with the air conditioner on the air condition lines are cold under the hood


sounds like the temperature blend door is either jammed or the actuator is shorted ou. when the temperasture control is moved you should hear the door moving...my guess is you are not hearing that..the actuator would be attached to the heater plenum behind dash/glovebox area...becareful to test the correct one as there will be a fresh air actuator and a mode door actuator as well...you can determine which one is which by changing the positions on heater head from hot/col, floor/defrost, recirculate and fresh air settings..each setting will move its designated actuatror..the one not moving would be you temp actuator....have fun!

Jun 29, 2011 | 2006 Ford Crown Victoria

1 Answer

How to install ac mode actuator on 2003 gmc sierra


prev.gif next.gif Air Door Actuators Removal & Installation Air Temperature Actuator Air Temperature Actuator Replacement gm-10-00-559.gif

To Remove:
CAUTION
Do not apply power to the actuator when it is removed from the HVAC module.
  1. Remove the instrument panel hush panel.
  2. Disconnect the connector from the air temperature actuator.
  3. Remove the air temperature actuator mounting screws.
  4. Remove the actuator from the HVAC assembly.
To Install:
  1. Position the air temperature actuator on the HVAC assembly.
  2. Install the actuator mounting screws.
  3. Install the electrical connect to the air temperature actuator.
  4. Install the instrument panel hush panel.
Right Side Air Temperature Actuator (2003-2007) Right Air Temperature Actuator Replacement gm-10-00-560.gif

To Remove:
CAUTION
Do not apply power to the actuator when it is removed from the HVAC module.
  1. Remove the instrument panel carrier.
  2. Disconnect the connector from the right air temperature actuator.
  3. Remove the actuator mounting screws.
  4. Remove the right air temperature actuator.
To Install:
  1. Position the right air temperature actuator on the HVAC assembly.
  2. Install the actuator mounting screws.
  3. Connect the electrical connector to the actuator.
  4. Install the I/P carrier.
  5. Calibrate the actuator.
Left Side Air Temperature Actuator (2003-2007) Left Air Temperature Actuator Replacement gm-10-00-561.gif

To Remove:
CAUTION
Do not apply power to the actuator when it is removed from the HVAC module.
  1. Remove the I/P insulator panel.
  2. Disconnect the connector from the left air temperature actuator.
  3. Remove the actuator mounting screws.
  4. Remove the left air temperature actuator.
To Install:
  1. Position the left air temperature actuator on the HVAC assembly.
  2. Install the actuator mounting screws.
  3. Connect the electrical connector to the actuator.
  4. Install the I/P insulator panel.
  5. Calibrate the actuator.
Mode Actuator Mode Actuator Replacement gm-10-00-562.gif

To Remove:
CAUTION
Do not apply power to the actuator when it is removed from the HVAC module.
  1. Remove the floor air outlet from the floor duct.
  2. Remove the center console and center console duct (if equipped).
  3. Disconnect the electrical connection at the mode actuator.
  4. Remove the mode actuator mounting screws from the HVAC module.
  5. Remove the mode actuator with the actuator cam attached.
To Install:
  1. Position the mode actuator with the actuator cam to the HVAC module.
    • Align the heater/defroster valve lever with the cam slot
    • Align the A/C valve lever with the cam
  2. Install the mode actuator mounting screws.
  3. Connect the mode actuator electrical connection.
  4. Install the center console duct and the center console (if equipped).
  5. Install the floor air outlet duct extension to the floor air duct.
  6. Calibrate the actuator.
Air Inlet Actuator/Recirculation Actuator Delphi Recirculation Actuator Replacement (Delphi) gm-10-00-564.gif

To Remove:
CAUTION
Do not apply power to the actuator when it is removed from the HVAC module.
  1. Remove the instrument panel upper trim panel.
  2. Remove the instrument panel lower trim panel and glove box assembly.
  3. Remove the passenger side air bag.
  4. Disconnect the connector from the recirculation actuator.
  5. Remove the recirculation actuator mounting screws.
  6. Remove the recirculation actuator from the HVAC assembly.
To Install:
  1. Position the recirculation actuator on the HVAC assembly.
  2. Install the recirculation actuator mounting screws.
  3. Connect the electrical connector to the recirculation actuator.
  4. Install the passenger side air bag.
  5. Install the instrument panel lower trim panel and the glove box assembly.
  6. Install the instrument panel upper trim panel.
  7. Calibrate the actuator.
Visteon Recirculation Actuator Replacement (Visteon) gm-10-00-566.gif

To Remove:
CAUTION
Do not apply power to the actuator when it is removed from the HVAC module.
  1. Remove the HVAC module assembly.
  2. Remove the evaporator core cover from the HVAC module.
  3. Remove the recirculation actuator from the HVAC module assembly.
To Install:
  1. Position the recirculation actuator on the HVAC assembly.
  2. Install the recirculation actuator mounting screws.
  3. Install the evaporator core cover to the HVAC module.
  4. Install the HVAC module assembly.
  5. Calibrate the actuator.
prev.gif next.gif

Jul 09, 2010 | 2000 GMC New Sierra 1500

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