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1 Answer

Ac/heater onlu works on low


you either have a bad switch or bad fan motor. I would start by replacing the switch

Apr 09, 2014 | 1990 Toyota Corolla

1 Answer

Heater not working


There is a valve that controls the amount of water that it lets int the heater core. See if that is working.

Jan 14, 2014 | 2005 Kia Sedona

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When you turn the A/C on does the elect. fan suppose to come on evenin cold weather and whitch temp. switch runs it?


Normally the ac fan (in front of the condenser) will run as soon as the ac is switched on. This condenser gets hot when the gas is being compressed and needs to have the heat removed for the system to work IT will switch on regardless of the ambient temperature as it is connected directly to the ac compressor clutch. IF you are referring to the heater fan inside then it will only work with the heater fan on or with both ac and heater on but will not always work with just the ac on.

Dec 24, 2013 | 1991 Oldsmobile Cutlass Ciera

1 Answer

Speedometer, cruise light , ac/heater control doesn't work


Sounds like someone needs to do some more troubleshooting first. Changing the cluster is not a simple matter since your mileage will be different. And the cluster is on a different circuit that the ac so one should not affect the other.

Jun 27, 2013 | 2002 Chevrolet Impala

1 Answer

1997 Nissan 4 cylinder truck AC works excellent throwing snowballs cold air, then it will blow hot air. Relay switch and clutch has been replaced....Did not fix problem!


sounds like compressor isn't working properly or heater vacuum is opening vent to heater core.try turning on ac and if it cuts on and off repeatedly every few seconds the freon level is not correct or high pressure switch may not be working make sure radiator fan comes on when ac is on.if all this is working properly check vacuum hoses to heater may be opening vent doors to heater.hope this helps

Aug 11, 2010 | 2005 Nissan Altima

3 Answers

The heater/ac fan only works on speed settings 4 & 5


you might check your switch sounds like to me that your two lower speed sides of the switch maybe burnwed out.

Dec 19, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Fan quit on 87 celebrity, heat ac, etc.. fuse ok ????


Hi
Check for bad connection at heater resistor or try tapping heater motor lightly
with ignition switch on and heater switch on. Could be heater switch connection.

Apr 01, 2009 | 1987 Chevrolet Celebrity

1 Answer

2004 Ford F150 - AC/Heater blower speed 1 & 2 not working.


You might have a bad speed selector switch, or your blower motor resistor is faulty.

Mar 17, 2009 | 2004 Ford F150

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