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1986 tercel what would cause the heater to blow cold air?

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A bad heater core could cause the heater to blow cold. a busted or clogged hose could also cause this. Are you smelling anti-freeze inside of the car? Do your windows steam up when you try to use the defrost?

Posted on Nov 28, 2013

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Posted on Jan 02, 2017

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SOURCE: 1997 audi A4 heater blowing cold air

You will have to change the heater core. 9 out of 10 times, when the heater is not heating the air, it is a bad heater core.

Posted on Nov 13, 2008

dr_layinlow
  • 60 Answers

SOURCE: 2001 malibu-heater is blowing cold air

sounds like you have a bad temperature sensor in dash or the cable has eitehr broken or come off the heater switch under the dash!!

Posted on Dec 07, 2008

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SOURCE: Heater blows cold air

change the heater core

Posted on Dec 21, 2008

  • 651 Answers

SOURCE: heater blowing cold air

squeeze the hoses to get any air bubbles out and refill coolant as necesary. are you sure you put thermostat in the right way? may be backwards. also may be your sensor.

Posted on Jan 04, 2009

  • 1 Answer

SOURCE: heater blows cold air on my 2000 Ford Expedition

Have had the same problem 2000 ford expedition. got it working good now

Posted on Mar 07, 2010

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1 Answer

Heater blows cold air


This is from Lifewire: If your heater was blowing lukewarm instead of cold, a thermostat that was stuck open would have been a potential cause. Another common problem is when air gets into the cooling system. Since the heater core is often the high point in a cooling system, air can move into it and become trapped.

Try this site too: https://axleaddict.com/auto-repair/Why-Are-My-Car-Heaters-Blowing-Out-Cold-Air

Apr 18, 2017 | Cars & Trucks

1 Answer

Heater in 1995 Bronco is blowing cold air....What could be causing this?


If the heater is blowing cold air and the car is overheating, it is likely that the problem is related to the engine cooling system as well. The following are some issues that may be causing the heater to blow cold air:
  • Low coolant levels
  • A plugged/clogged heater core
  • A faulty thermostat (thermostat that is stuck)
  • Broken blower and/or blower motor
  • Heater core bypass hoses that have leaks
  • Heater core bypass hoses that are worn
If your car is overheating and/or your heater is not working, it should be inspected and diagnosed as soon as possible.

Nov 15, 2016 | Cars & Trucks

1 Answer

The heater blows cold then hot then cold then hot.....the temperature gage has also recently moved up and down while driving (not the normal way it does as it heats).


If you have drained your radiator latley or had work done to it there may be in air pocket in your cooling system causing it to do that.Start your car turn defrost on high with radiator cap off let it run till it gets hot if theres an air pocket in it you will see air bubble up in the tank.may take a few times to get it all out.

Dec 08, 2009 | 1986 Acura Integra

1 Answer

1998 Tercel Cold heat to the windshield. Lukewarm out front vent.


Hey,

I just replaced my thermostat in my car due to the same problem. Except mine was a 92. I figured I'd start with the thermostat and antifreeze. Then the heating core. Now I have heat.

But yet I still have no heat on the windshield.

Oct 23, 2009 | Toyota Tercel Cars & Trucks

2 Answers

My 97 tercel ac is not working right. it blows


sounds like head pressures to high possible expansion valve plugged or bad

Aug 25, 2009 | 1997 Toyota Tercel

1 Answer

1985 toyota tercel has no heat, blows.


Before you flush the heater core. I would check your thermostat first. Does your temp gadge goes up or stay the same while driving? if it does it's your thermostat.

Jan 21, 2009 | 1985 Toyota Tercel

1 Answer

1986 Buick Skylark heater blows out cold air


In many cars there is a flapper valve in the ductwork which is sometimes vacuum actuated.If this flapper is stuck or the vacuum line is unhooked or deteriorated,you will not feel any warm air at the vents.Look under the dash for rubber vacuum lines or try moving the selector knob for HOT/COLD or FEET/VENT/DEFROST while revving engine alittle to increase vacuum.

Jan 17, 2009 | 1986 Buick Skylark

1 Answer

1986 VW Golf - blows cold air out vents


add coolant....if that doesnt work...check the thermostat...then if its not that its the water pump

Jan 14, 2009 | 1986 Volkswagen Golf

1 Answer

1986 VW Golf heater blows cold air


The heater in your car depends upon a flow of hot coolant going through the heater core in order to get hot air into the car. If the heater core is partially plugged, it will restrict the flow. If you have a head gasket that is putting exhaust into the cooling system, it will eventually get into the heater core. When this happens there is no coolant in the heater core to make the air warm. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted. One or a combination of these factors is likely the culprit in your case.
if the car is not overheating, the thermostat is working fine.... replace or flush the heater core multiple times to try and eliminate sediment build-up.

Jan 14, 2009 | 1986 Volkswagen Golf

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