Question about 1993 Saturn SC2

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Lots air and heat, but won't blow out defrost by wind shield

My heater blows plenty of air, but it stop going through the defrost by the windshield. This just started. It there a level mechanism, which directs air?

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Similar problem on my Saturn, the air control knob is the slider above the temperature slide, it is a lever attached to a wire. It moves the vane to redirect the air, if it will not move then something is blocking the vane or the cable is jammed. If it slides back and forth without any effort then the cable as come disconnected inside. Purchase a service guide and it will explain how to remove the controls and check. It will also show where the cable attaches to the ductwork behind the dash.

Posted on Jan 08, 2009

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1998 Honda accord. heater blows good on floor and dash, but defroster does not defrost wind shield


You have to locate the vacuum motor for the defrost. It is bad or the vacuum line has come off or is broken.

Mar 06, 2015 | 1998 Honda Accord

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My lexus rx 300 fan/ac is blowing on the wind-shield only and does not blow throuhg the instrument panel. what could be the cause?


How long have you been driving or owned a car? Your A/C is set on front "defrost" instead of main. Turn off the defroster for the front and select the switch to read "main" or if your A/C panel uses icons to display, press the one where it looks like the airflow is blowing air (represented by arrows) towards you and not the windshield. The arrows on your buttons or electronic display refer to which way the air is flowing. Choose the one you want where the arrows show the airflow is blowing out towards you and/or turn off your defroster. (If you have a knob to select airflow, turn it so it is no longer on "defrost" and it points to the main airflow blowing outward).

Feb 07, 2015 | 2001 Lexus RX 300

2 Answers

I have a 2011 Chevrolet Equinox LTZ and my question involves the heating/ AC unit. The air flow seems to be very strong through the Defroster but for the dash vents and the floor it seems to be much s


Defrost has been stronger on all types. Just the way plenums are made. Clear that wind shield first. As long as you have plenty of heat to keep the cabin area warm to hot, it's OK. I wouldn't woory about it.

Oct 05, 2014 | 2011 Chevrolet Equinox

1 Answer

Why my A/C condenser fan won t stop running, dodge ram 2008


To clarify, the compressor and fan will run in defrost mode. The compressor and fan runs to dry out the air blowing onto the windshield.
Now if the condenser fan runs in "heat" you may have a problem with the fan relay or the main controller.

Sep 25, 2014 | 2008 Dodge Ram Pickup 1500

1 Answer

Defrost will not defrost my windshield


You do not mention the type of car you have. If you have air that blows out the defroster and panel vents you should have defrost. Do you smell a sweet odor coming from the car? This could be antifreeze leaking though the heater core. This will cause your windshield to remain foggy.

Nov 13, 2013 | Eagle Cars & Trucks

1 Answer

Long time before heater blows warm air


That seems pretty normal, the heater works by blowing excess heat from the engine coolant. So the coolant has to be warmed completely for the heat to work, you can get a heater that plugs into your cigarette lighter that will heat the vehicle instantly.

Nov 12, 2013 | 2004 Chrysler Town & Country

1 Answer

I have a 1999 Caddac DeVille . The AC works fine during the summer but in the winter it won't blow out hot air unless I'm driving. I've let the car run in the morning to warm up but the inside...


your heater core is possibly stopped up if there has been a radiator leak and stop leak has been poured its definetly clogged or could be a faulty thermostat

Jan 07, 2013 | Cars & Trucks

3 Answers

Heater blows cold


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.------
Engine Overheats and heater blowing cold? http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html
---------Heat blows cold on drivers side and hot on passenger side? http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html
-----------
This will help.Thanks.

Feb 15, 2012 | 2003 Buick LeSabre

1 Answer

Can I take out my air conditioner compresser and still have my defrost work?


it will still blow air on your windshield but the reason the ac comes on is to blow dry air on your wind shield, potentially a cold windshield and damp air could make problems worse. but ive been in the situation before it still works with no noticable difference most of the time

Oct 12, 2009 | 2000 Pontiac Grand Am GT

2 Answers

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


Check the control cable that operates the diverter door in the heater box at both ends, to make sure that it operates the door when you move the control lever.

Jan 15, 2009 | 2000 Jeep Grand Cherokee

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