Question about 2000 Volvo V40

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Clicking noise when selecting fresh air after recirculating air

The problem:- have a volvo v40, 1998 .when switch from recirculate air to outside air the switch motor does not complete its cycle and after say 10 seconds clicks very loudly until I press it again to recicurculate and then motor whirs ( very faintly) and the clicking stops. Garage says all dash to come out to sort out as something could be in air ducts. Also said cannot disconnect switch as goes to a PCB. If I could get at the unit and unplug it when it is fresh air mode that would be fine, BUT where is it to unplug. The garage said all dash has to come out hence my concerns about the cost. Hope you can help me

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  • Anonymous Mar 19, 2009

    Clicking when turn on air or heat- no matter if fresh air or inside air. Clicking always stops. I have learned to ignore it.

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5 Suggested Answers

MrScary66613
  • 1990 Answers

SOURCE: 2000 silverado ac problem

Mine has always done this. As far as I can tell it is just Engaging in anticipation of a Person wanting to change the Temp. Computer Signals it to do this.

Posted on Dec 31, 2008

salvidordali
  • 103 Answers

SOURCE: bulbs not working on a/c and recirculation buttons

The switches have to be removed and the bulbs are on the back of the switch. they look like a grey plastic screw. the bad news is that they are a dealer only item.

Posted on Jan 09, 2009

Technopro
  • 243 Answers

SOURCE: Electronic vent control not working in Volvo S40

Hi,
I think here, by your description, that there might be something that has slipped inside the vent holes from outside. you can try to blow some compressed air through the vent holes at the bottom of the windscreen.
Otherwise you can try to look under the dash, activate the switch and see if you can locate from where the noise is coming and see if you can reach the mechanism that control the vent. Normally it must be moving free. Otherwise your local mechanic should be able to fix that ufor you.
Cheers.
Technopro

Posted on Jan 26, 2009

66 chrgr
  • 1011 Answers

SOURCE: recirculation light and ac light flash when you push them

when it is cold out your car is designed to make sure it is not on recirculation mode if it was your inside windows would be all fogged up because of humitity .

Posted on Jan 30, 2009

  • 76 Answers

SOURCE: Heather blows intermittent cold air

It sounds like you need to go to the shop. the blend doors control the air flow, heat, and distribution. There are about 6 to 7 motors in all. They most likely need to be recalibrated. There is also a possibility the Climate Control Module Software will need to be upgraded. There is a small chance that there is a bad blend door motor that is crashing the communication link between the motors and the module.

Either way it goes only the dealer, or mabey a very heavily invested independent shop.

Hope this helps.

Posted on Feb 23, 2009

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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

Tip

Toyota Air Conditioners


This tip pertains to maximizing the cooling efficiency from your Toyota's Air Conditioning system.

(The info that follows is for vehicles that are not equipped with "Auto" AC.)

On really warm days, nothing is better than getting in a hot vehicle, and turning on the AC for a nice comfortable driving experience.

In our service facility, we continually see customers who are not totally satisfied with their AC output. Hopefully, this tip will address those issues, and just might be useful to you.

The number one reason for poor cooling with the AC on, is neglecting to select the "Recirculate" function on the heater/AC control panel.

What is Recirculate?
That mode is where the AC system 'recirculates' the air contained in the car, thru the AC box, over and over, until the desired temperature is reached. The Recirculate button, knob, lever or slide is easily identified by seeing a picture of a little car, with an arrow doing a 'U-Turn" inside the car. This is the opposite of the "Fresh" mode, which is an arrow going 'straight through' the little car icon.

If you are using the "Fresh" mode, you are actually admitting ambient air into the car. Ambient air is much warmer, and makes the AC work harder, and you will see a 10 degree rise in the air temperature from the dash vents. Also, some vehicles admit the 'Fresh' air from under the hood, so, leaving the 'Fresh' mode selected could actually draw in the much hotter underhood air into the AC system.

So, what to do? Anytime you use the AC, please verify that the Recirculate function has been selected. As stated above, this uses the air in the car over and over, and your cooling efficiency will be 10 degrees colder. You can easily check and verify this with an 'instant-read' thermometer. Put the thermometer in the center dash vent, start up the car, turn on the AC, select Recirculate, and watch the temperature drop. It should stop dropping around 34-36 degrees F (depending on humidity, sun load, and a few other things). Now, when the temperature is as low as it will reach, turn off the Recirculate device. You will see the temperature actually rise, maybe 10-12 degrees.

Some additional info: As long as the car is in Recirculate mode, the AC compressor will eventually turn off, when the interior makes the selected temperature. This saves you gas. If you run the AC with the fresh mode selected, the AC compressor runs all of the time. This wastes gas, and costs you more money.

The best way I can easily sum up Fresh versus Recirculate is this:

Running the car with 'Fresh' selected is like running your refrigerator with the door open. It works, but it does not work good. Choosing 'Recirculate' is like running the fridge with the door closed.
If this tip helps you, please leave a positive helpful rating. Thanks!

on Jul 17, 2010 | Toyota Corolla Cars & Trucks

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

If fresh air is selected it will automatically switch to recirculation and flash


If recirculation is active - Switch it off and The system will remember your setting the next time you switch it on.

Jan 29, 2014 | 2006 Suzuki Grand Vitara

1 Answer

How do I install a basic vent system to create air flow in my basement?


Your air circulation knob or switch has 2 settings ,recirculate and fresh air,turn to fresh air,put on cold and turn the fan on to your speed you want and air will circulate from the outside to the vents,put it on mid level.

Jul 22, 2012 | Cars & Trucks

1 Answer

If you push the "recirculate air" button the air


now i do know that on some vehicles i dont know about yours but the air recirculation only works in certain switch locations.

Jan 11, 2011 | 2005 Ford Five Hundred

2 Answers

When i press the ac button it blinks three times but does not turn on. 2007 Tahoe LT


If your vehicle is equipped with automatic climate control, this should help.

Recirculation Operation
The HVAC control module controls the air intake through the recirculation actuator. The recirculation switch closes the recirculation door in order to circulate the air within the vehicle. The outside air switch opens the recirculation door in order to route outside air into the vehicle. Regardless of the blower motor switch position, recirculation is available only in the panel and bi-level mode switch positions. Including the OFF position. The mode switch must be placed in either the panel or bi-level position before the blower motor switch is placed in the OFF position. In order to reduce windshield fogging, outside air is circulated when the mode switch is in the defrost or defog positions. 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

Oct 17, 2009 | 2007 Chevrolet Tahoe

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

Vent Control Noise Behind Glove Box


The noise is coming from the blend door motors.
All of the climate control doors (vents, defroster, temperature, recirculation etc) are controlled by electronic motors. As the motors age they tend to make a buzzing noise when they move.

There is a software upgrade that is available to minimize the noise, but it will always make the noise to some degree.

Hope this helps.

Jul 08, 2009 | 2003 Volvo XC70

1 Answer

2007 F-150 Supercrew Lariat Cabin Air Filter


According to the shop manual you do not have one.
Air Distribution and Filtering adobe.gif Printable View (79 KB) NOTE: The air distribution system of this vehicle cannot be equipped with a cabin air filter.
There are 2 sources of air available to the air distribution system:
  • Outside air
  • Recirculated air
Recirculated air is automatically used when the electronic manual temperature control mode selector is set in the MAX A/C or OFF modes and can be selected in any mode other than MAX A/C, OFF or DEFROST by selecting the RECIRC button. Recirculated air is available in all modes except DEFROST. If the vehicle is equipped with an electronic automatic temperature control (EATC) system, recirculated air is used in OFF and is available in all modes except DEFROST. RECIRC mode is a timed function in FLOOR and FLOOR/DEFROST.
Air distribution within the vehicle is determined by the electronic manual temperature control (EMTC) function selector switch position, or is controlled by the EATC system in the AUTOMATIC mode. The air distribution mode on EATC vehicles may be overridden by the driver if desired. Air distribution doors are used to direct airflow within the heater core and evaporator core housing and the plenum chamber. An electronic mode door actuator is used to position these air distribution doors. One air inlet mode door is used to switch between FRESH or RECIRC air inlet. An electric actuator is used to position the air inlet mode door.
Air enters the passenger compartment from the:
  • instrument panel A/C registers.
  • heater outlet floor ducts.
  • windshield defroster duct.
  • side window demisters.
  • center flow-through console (if equipped).
Passenger compartment air is exhausted from the vehicle through open windows or body air vents.

Mar 08, 2009 | 2007 Ford F-150 Harley Davidson

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