Question about 1997 Jeep Cherokee

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When I change my vents from the ones at my feet to the ones at chest level or to defrost I hear a clunk noise and then no air will blow out from any vents regardless of speed setting, though you can h

Wither defrost it will work at the lowest setting and feet works 1 through 3 but 4 is hit and miss

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  • Jeep Master
  • 76,109 Answers

I would say that you have a jammed air diversion door inside the air duction, to inspect this you will need to remove the dash.

Posted on Nov 06, 2012

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6ya6ya
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Posted on Jan 02, 2017

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MNfisherman
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SOURCE: Jeep AC blows cold air at defrost and feet but not through vents

There is a flap that directs the air. the flap is controlled by a vacuum actuator. This is located inside the venting. The actuator is connected to little vacuum hoses that attach to the temperature control switch. Either the flap is stuck, or the actuator has gone bad.

Posted on Jul 01, 2009

  • 2 Answers

SOURCE: '04 Jeep Grand Cherokee: Heats...but only through defrost vents.

Look for a vacuum leak to the heater contols,most likly a hose fell off at the intake manifold area.I bet the engine is running a little fast also.

Posted on Jan 16, 2009

hardinfarms
  • 144 Answers

SOURCE: When I turn my vent selector to defrost on the far

It's normal for the A/C compressor to come on with the defroster to dehumidify the air so the windsheild won't fog up under humid conditions. You can still control the air temp. out the vents with the temp. select switch.

Posted on Jul 19, 2009

hardinfarms
  • 144 Answers

SOURCE: 2005 Wrangler X a/c only blows from defroster

Check under your hood for a loose or leaking vac line , The A/C system on your jeep uses manifold vac to move the air mix doors and with no vac the air mix door will move into the defrost position. Find your vac leak and that will fix your problem.

Posted on Jul 19, 2009

  • 1757 Answers

SOURCE: Blower speed question (ac/heater). This just

This is definitely 100% the Blower Motor Resistor.
Replace this and all speeds will work fine.
This Resistor is defined with 3 to 4 wires going into it, and is located adjacent to the Blower Motor.
It is easily access, removed and replaced.
I will post an additional comment on Part Number, Price and where available.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Posted on Feb 19, 2010

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2 Answers

Vents won't blow hot or cold air. Comes from defrost and feet when you put fan on.


It's the vent actuator, it moves the baffle that changes the direction of the air flow.
Here is a video of a broken vacuum hose that creates the same problem.

It could also be a failed actuator.

Sep 19, 2016 | 1997 GMC Safari

1 Answer

Why is there no air blowing out my dash vents?


the air vent is control in your consul maybe is not properly set up check to the a/c technician

Jun 17, 2013 | 2001 Hyundai Elantra

1 Answer

No hot or cold air blowing through the two vents above the radio in 2006 Toyota 4 Runner. You can hear them making noise trying to switch mode when putting it any of the positions involving face /chest...


had similar problem with my ford behind the dash there is a little elect. motor and gear box that moves the dampers the gears have broke they are plastic

Nov 11, 2012 | Cars & Trucks

1 Answer

My 93 Grand Cherokee has a problem with "not" switching from blowing air down at ones feet to ones chest area. I know the fan is working fine, but it will only blow air thru the lower vents and...


  • Sounds like your Blend Door Actuator is malfunctioning. What that does is move an arm to open a door down on the blower motor to send the air into the passages you choose. If the Actuator goes bad or the plastic arm to the door snaps or breaks then you get air flow where ever it broke at and it won't change until you make that door function again. Please see the picture I uploaded so you can see what I am referring too.
  • The Blend Door itself were known for sticking too so you may want to investigate inside the heater box as well.
  • You will find the Actuator itself on the side of the blower motor housing.


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  • Good luck to you and thank you for choosing FixYa.


Regards, Tony

Jun 13, 2011 | 1993 Jeep Grand Cherokee

1 Answer

1998 Olds Aurora, no heat, no air, just blowing air out the front


i beleive these are a vacuum system. if air temp is in cold position you will get no heat. listen for hissing noise with motor turned off but key on. if you hear hissing noise you have a hose broken or off. you will have to find it

Oct 30, 2009 | 1998 Oldsmobile Aurora

1 Answer

Air blows only on windshield even when placed on vents or feet


you may have abad slector door acuator.which is alittle motor bolted on the heater box.It move a door in box to direct air flow to right location.hope this helps.

Sep 27, 2009 | 2000 Dodge Durango

1 Answer

Heater will not blow at feet, only blows out of defroster & dash?


there is an actautor that changes where the air comes out this arm may have fallen or broken off get down under the dash with a good light and check for connection you may have to disassemble the vent area to find this

Jan 28, 2009 | 2001 Dodge Stratus

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