Question about 2004 Volkswagen Passat

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There is this clicking that seems to come from the AC controls on the dashboard. It goes away when I press the recirc button, but returns after a while? What is it and is it bad? How do I fix it?

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Its the air recircalation motor flap behind the glovebox, its a common fault, a massive job to fix it, don't bother, ignore the clicking, it won't do any harm, the motor will eventually fail and all will be quiet, you can stop it now by cutting the wire going to it but make sure you cut the correct one ..

Posted on Feb 21, 2010

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Have a diagnostic scan of your ac done to see if there is any fault codes.maybe the recirc motor needs to be put back into basic setting,which is done using a diagnostic machine.

Posted on Oct 09, 2009

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1 Answer

Inside cab blows out hot air controls are off but air still comes out


OUTSIDE AIR: Press this button to direct the system to use outside air.
Pressing the OUTSIDE AIR button will cancel the RECIRCULATION button.

RECIRCULATION: Press this button to limit the amount of outside air entering your vehicle.
This is helpful when you are trying to limit odors entering your vehicle or attempting to quickly cool down the interior. Pressing RECIRCULATION will recirculate air continuously.

RECIRCULATION is used when the fan control is OFF to limit odors, outside air and dust from entering your vehicle. All button lights will go off. The last setting selected will activate when the blower is turned back on.
Pressing the RECIRCULATION button will cancel the OUTSIDE AIR button. To return to normal operation and to prevent stale air, be sure to return the OUTSIDE AIR.

Between HEATER and BLEND mode, outside air is forced to reduce window fogging. If the RECIRCULATION button is pressed, the LED indicator will flash three times indicating that forced outside air is activated and RECIRCULATION is not available.

I think what your experiencing is normal. If you want to keep cold air form coming into the cabin, press the recirc button.

I hope this helped, icon_e_biggrin.gif

Aug 23, 2014 | 2001 Chevrolet Blazer

1 Answer

Heater and air condioning switch keeps making clicking noise


The noise is one of the actuators that moves the air flow doors into different positions. Common problem. When the noise happens, move the temp. control from cold to warm. If the noise goes away, it is the temp. actuator. Or, press the recirculation button to go from fresh air to recirc. If the noise goes away, it is the recirc. actuator. Or, change the mode from vent to heat. Could be the mode actuator. Usually the temp actuator acts up.

Sep 17, 2013 | 2007 Chevrolet Chevrolet Impala LS

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2011 ford focus aircon recirc button turns itself off. Dealership has told me this is normal, is this true?


I just got my Focus back from service due to recirc button kept switching off everytime... ASNWER IS: PERFECTLY NORMAL, every new Ford is like that, the recirc button will be switched off automatically according to the following conditions:

1) Press MAX-AC round button, will activate RECIRC button FOREVER!!!! but you will b freezing to death FOREVER too.

2) All other situation, the RECIRC will be switched off automatically after ON for 30 min.

Will of
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Feb 04, 2012 | 2011 Ford Focus

1 Answer

2005 Toyota Corolla air conditioner is cold but


The air flow does not 'increase' with the recirc button pressed. The fan motor blows at specific speeds, no matter whether fresh or recirc is selected. The recirc feature is there so that you do NOT admit 'fresh/hot' air from the outside into the AC box. In short, the recirc feature is to re-use, or, recirculate the existing air in the car. When it is properly working, on a hot day, the recirc selection should drop the internal temperature at the center air vent about 6 degrees lower than with the fresh selected.

Jul 18, 2009 | 2005 Toyota Corolla

1 Answer

Lights are blinking on ac control after i changed the battery on


Either needs recalibration, or control unit. Press the wiper and wiper washer buttons simultaniously, and wait for them to start blinking one then the other. Then press the recirc button and the washer button same as above. Should be calibrated after this.

Jun 29, 2009 | 1998 Dodge Caravan

2 Answers

2005 Saab 9-3. I have a rattling sound coming from inside the air conditioning system on nearside vent. It only started when I pressed the recirculate button as I was behind a very smelly truck. Now it...


saab tech
it needs a recirculation motor i do them all the time
its behind the glove box
sound like loud clicking when the recirc button is hit

Jun 07, 2009 | 2004 Saab 9-3

1 Answer

2004 Odyssey, heat and A/C do not work unless van in motion


Since warm air eventually comes out when the vehicle is in motion, you may have an air mix door that is stuck in fresh or is somehow blocking warm air from the heater core.

To see if the air mix control motor is bad, you need to retrieve your Diagnostic trouble codes (DTC's) from the heater control panel. To run the diagnostic function, do the following:
1. Turn the ignition switch ON (II).
2. Turn the fan switch OFF.
3. Press the recirc control button to select Recirc (recirc light on.)
4. Press and hold the recirc button to select Fresh (recirc light off) and continue to hold the button down until the recirc light comes on for two seconds and then goes off.
5. If the system is okay, the recirc light stays off.
6. If there is a problem, the recirc light blinks the DTC to indicate the trouble. One blink=a problem in the air mix control motor circuit. Two blinks=problem in the mode control motor circuit
Three blinks=problem in evaporator temp sensor circuit.
7. Turn the ignition switch off to cancel the self diagnosis function. Run the diagnostic again after repairs are complete.

Note: the air mix control motor has a rod which connects to a plastic link. The link controls the mix doors and also connects to the heater control water valve via a cable. The air mix motor may check okay, but if the link is broken then you will still have problems. the motor is on the bottom of the heater unit in the front passenger's foot well.

May 10, 2009 | 2004 Honda Odyssey

1 Answer

Where is the low pressure switch for my Honda Odyssey 2003 AC ?


The A/C pressure switch is located in the high pressure line (the skinny one) on the passenger side of the engine compartment just under the fuse/relay box. The switch has three functions: <28 psi, the switch opens to protect the compressor from lack of lubrication. >220 psi, the switch shifts the radiator and compressor fan to high speed. >455 psi, the switch opens to protect the compressor seals. Check to see if you have any powertrain DTC's first. A faulty engine coolant temp sensor can cause problems with the compressor clutch relay. If the radiator and compressor fan come on with the A/C on but the compressor clutch does not operate, check the compressor clutch relay. You can also obtain Heater control panel diagnostic trouble codes (DTC's) by turning the ignition switch on. Then turn fan switch off. Press recirc button to select recirc air. Press and hold recirc to turn off recirc air but this time continue to hold the button down until recirc light comes on for two seconds and then goes off. If there is any trouble, the recirc light will then blink a code (if no trouble, the light will remain off) 1 blink = problem in air mix control motor circuit. 2 blinks = a problem in mode control motor circuit. 3 blinks = a problem in evaporator temperature sensor circuit. (this one could be a factor in your case) Turn the ignition switch off to end the test.

Mar 16, 2009 | 2003 Honda Odyssey

3 Answers

Hot air blowing with climate control off.


you may have an air mix motor problem or a mode control motor problem. there is a test you can do that may help: 1. turn the ignition switch on. 2. turn the fan switch off. 3. press the recirc control button to select recirc (recirc indicator light comes on.) 4. press and hold the recirc button to select fresh (recirc indicator goes off). Continue to hold the the button down until the recirc indicator comes on for two seconds and then goes off. If the system is okay, the recirc indicator will stay off. If there is a problem, the recirc indicator blinks a code to indicate a fault. 1 blink=air mix control motor/circuit fault. 2 blinks= mode control motor/circuit fault. 3 blinks= evaporator temp sensor circuit fault. In case of multiple problems, the recirc indicator will only blink the code with the least number. write back if this test shows a code and we'll go from there.

Feb 02, 2009 | 2002 Honda Odyssey

1 Answer

Climate control


flap for fresh air/ recirc air have a tendancy to get stuck and thus causing the clicking noise. dont envy you on the repair as they are hard to get to.

Jun 26, 2008 | 2002 Volkswagen Passat

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