Question about 1997 Lincoln Continental

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How do I remove the under-dash air recirculation flap door motor?

How do I remove the under-dash air recirculation flap door motor on my 1994 full-size Chevy Blazer. I can see the flap door when I remove the blower motor. It is working properly but makes a clicking sound when actuated by engaging the MAX A/C. I think it needs replacing.

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Posted on Jan 02, 2017

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SOURCE: my 2000 blazer won,t select 4wd hi/low or auto

there is a vacuum solonoid on the firewall in the middle with 2 vac lines and a 2 wire plug
thats ur problem
push the button and smack it with the handle of a screwdriver should work

Posted on Feb 07, 2009

  • 4669 Answers

SOURCE: clicking noise under dash

It likely has a bad temp control actuator for the blend door.

Posted on May 27, 2009

  • 1779 Answers

SOURCE: Vacume leak under dash. Sounds like door opening

You got it right, there is a 'door' that opens and closes under the dash to change cooled or heated air flow to the interior vents. A vacuum line either disconnected, or is leaking somewhere, and is most likely responsible for the lack of a/c. You are going have to hunt around to try and find where the leaking/disconnected line is to repair it. It's not going to be a fun job. You can access diagrams and info on your car (for a fee) at alldatadiy. Look under HVAC system to see the info you need. Good luck.

Posted on Sep 03, 2009

  • 47 Answers

SOURCE: 02 Silverado Recirculated air flap door doesnt

replace the hose leading to the air flap

Posted on Sep 26, 2009

  • 74 Answers

SOURCE: transfer case not engaging push botton 1994 s10

These 3 things are common on S 10 and S15 GM 4x4 trucks and SUV's!

1.Switch in dash.
2. Actuator motor on transfer case.
3.Vacuum leaks between Engine,Transfer Case and Front axle actuator.

Posted on Mar 08, 2010

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1 Answer

Were is the air blend door at and what is the best way of doing it

door blend flaps either motorized or vacuum actuator
these are under the dash

depending on the make of vehicle
some dash removal may be required



Oct 30, 2016 | Cars & Trucks

1 Answer

What is the clicking noise that comes from my blower motor under the dash when I start my motor or shut the motor off? The clicking continues for a few seconds either way.

Sounds like your flap motor is trying to reset itself or the air recirculating valve is opening and shutting. You need to da a basic setting on your air con unit with a scanner

Aug 06, 2014 | Cars & Trucks

2 Answers

I have a 1994 Chevy Silverado and every time I turn on the ignition, the knocking noise begins from under the dash somewhere. If I remove the fuse to the a/c/heater it doesn't make a sound when I

Try starting the truck so it makes the noise.
Then switch the air control to "fresh".
If noise stops, it is probably the motor that closes flap to recycle the cab air.
It would be found under the dash, under the glove box, & would need to be replaced.

Sep 20, 2012 | Cars & Trucks

1 Answer

On my 1994 suburban i have air lose threw my vents and very cold air getting sucked in from outside on the floor by the blower assembly what is causing this problem

it is problem with air recirculation flap it is not close, replace motor for that or keep it close manualy by removing dashboard.

Jan 24, 2010 | 1994 GMC Suburban

1 Answer

Not hot air whn control is moved to hot


Removal & Installation
  1. Disconnect the negative battery cable.
  2. Lower the glove compartment door to provide access to the recirculation duct assembly.
  3. Disconnect the vacuum hose from the end of the vacuum motor and the motor arm retainer from the door crank arm.
  4. Remove the two nuts retaining the vacuum motor to the recirculation duct, then remove the motor.
To install:
  1. Position the vacuum motor to the fresh air/recirculate door crank arm, position the motor to the recirculation duct and install the two retaining nuts.
  2. Install the retainer on the door crank arm.
  3. Connect the white vacuum hose to the vacuum motor, connect the negative battery cable, then check the operation of the vacuum motor.
  4. Close the glove compartment door.

Oct 25, 2009 | 1994 Ford Taurus

1 Answer


Most of the time this noise is heard when a temperature actuator has gone bad, you can check this by changing temperatures and noting if the noise changes in sound. If so then replaced the actuator. If no change is noted, then open and lower the glove box and while changing from a/c to max a/c, check that the recirculation door is moving into place and not flapping. if flapping, the recirculation door is broken and will need replacement.

Oct 07, 2009 | 2003 Ford F250 Super Duty Crew Cab

1 Answer

Diverter Fan broke affecting air and heat

it is not you fan ticking. there is a big door in your heaterbox that switches from heat to a/c. alot of times the motor that turns this door gets jammed. if the motor is removed and the door turned manually, turning the car on with the motor {flap motor} removed still , turn the heat to cold, wait for the motor to stop turning, then bolt it back onto flap and you should be fine.mercedes is not perfect, sometimes you have to remove the dash to access this flap motor

May 27, 2009 | 2001 Mercedes-Benz C-Class

1 Answer

Location of Ambient air sensor 2006 Ram 1500 Laramie/hemi

There is a trouble some flap to blame for your problems ( part number # 68004226AB). This flap is made of cheap plastic and moves back and forth when u press the recirculation button. The part that slips on the motor breaks. When this happens the flap will fall over the hole for the fan to pull air. This might be why u are seeing hesitation in the fan. Sometimes when u stop that flap covers the hole, sometimes it dosent.

Easy way to fix this trouble some door is to remove the air bag, then cut out plastic grid that is over housing (try not to let any of the grid fall inside the housing this might break the some of the fan blades) you will then see the door laying at the bottom. Then Pull the motor off the side of housing, slide old door out then new one in. This is the easy way the other way is, well lets say trouble some.

Apr 21, 2009 | 2006 Dodge Ram 1500

2 Answers

Problem: Ford Windstar SE, 3.8L V6, 1999, front seat heat/defrost is alway cold with engine warm and heater turned on. Symptoms: 1) When (engine is warm and) front seat heat temp slider is moved from...

I would think the door you hear flapping is the door that controls the airflow across the heater coil - and the fan keeps blowing the door closed, preventing the airflow from going across the heating coil. I don't know whether this vehicle is vacum controlled or cable controlled - so either it's a disconnected cable, or a leaking vacum line.

Mar 10, 2009 | 1997 Ford Windstar

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