Question about 2002 Chevrolet S-10

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My a/c is off and there is still air flowing through vent

As I'm driving I can feel air flowing through vents

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: There is no air flow

You need part GM Part number 89018675 or ACDelco 15-73596. The Mode Selector Actuator. What happens is the part is a CHEAP part POORLY designed and when it goes to turn the flaps inside the HVAC unit its the plastic gear slips instead of turning the flap!!!

Just to forward you you might want a deal to install this art for you unless your good at fixing your own vehicle, because you need SMALL sockets and a lot of patience to get this part in!!!

The part is ALMOST directly above the steering shaft for your steering wheel, so theres a lot you got to remove before you will even see them!!!

I only recommend you to have a dealer put this part in for you, unless you have your own service manual!!

Because there is 5 of these darn things and if you pick the wrong one you will have to do it all over again!!!

3 on the Drivers side and 2 on the Passengers side!!

But replacing this part SHOULD solve all your problems!! AS it did for me and i was having the same issues as you have described!!


Posted on Jul 22, 2008

  • 59 Answers

SOURCE: no air flow to dash vents and feet vents

99% of the time when they do that it is the control head. that is the thing you adjust all your temp settings on. have to purchase from dealer. have last eight digits of vin # when ordering.

Posted on Dec 10, 2008

  • 20 Answers

SOURCE: Heat wont blow through heater or defroster vents

common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.

Posted on Feb 23, 2009

  • 1 Answer

SOURCE: AIR FLOW STUCK IN DEFORST VENT WILL NOT SWITCH TO FLOOR OR AC VEN

I found a broken vacuum hose on top of the intake which runs the controls

Posted on May 30, 2009

  • 1 Answer

SOURCE: the vents in my 2000 Astro Van quit working

There is a thin vacuum hose running across the top of the engine from the front left side to the rear. this connects to the back of your a/c position switch. Over time it becomes brittle and cracks therefore leaving your vents stuck in it's last positon. Cut out the bad section and purchase about 3 feet of rubber hose at the auto store. Take a piece of the bad section with you to see which size hose will fit onto it. Slip it over the cut ends and pass it thru the space where the windshild washer fluid hose is attached to the back wall. This will keep it up and away from the heat. I had this problem on a 1997, 1999 and 2002 Astro and fixed the problem for less that $3.
John

Posted on Aug 18, 2009

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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.

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It's one of the blend door motor drive gears that has cracked. As the motors try to move the blend doors to divert the air flow, the gear attached to them slips on the drive shaft. You need to remove them, inspect for the broken or cracked drive gear and replace them. This is a very common problem with these older GM vehicles.

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An air flow obstruction seems to be keeping the air from the fan, from reaching any of of the vents. Is there a main air flow door that could be jammed, keeping the air from diverting to wherever the...


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Have a 2000 Ford Ranger SuperCab, 4.0 4x4 AirConditioner isnt blowing air. Compressor seems as if it is coming on and working properly. Airconditioning unit inside truck sounds Normal (ie: turn fan on,...


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WILL NOT SWITCH AIR FLOW STUCK IN DEFORST VENT


when your car is in defrost it has an ac cycling it removes the moisture then sends the air over the heater core depending on how warm you set it you can feel warm or cold but the ac is always cycling...ridding the moisture...you need a good ac tech it will be okay...its just expensive going into the heater core if needed...!

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1 Answer

Heater not working


I would check if your vent to the outside is open. If it is I would check the vacum hose that controls the vent to open and close.

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