Question about 1994 Ford Taurus

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How to replace heater core

Heater core leaks but it still blows heat

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Unfortunatly you have to remove the whole dash on the ford taurus, its a huge job not one that you should do yourself.
Hope this helps
simfea@telus.net

Posted on Jan 15, 2009

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2 Answers

When I put the heat on in my car it blows warm air for a few seconds then goes to blowing out cold air.


The lack of heat in the car has little to do with the car's cooling system, other than the hot coolant is the heat source. 95% of all "no-heat" issues are related to heater controls and/or the heater core itself. Since you get some heat, and then it goes away, this indicates a probable vacuum leak in the heater controls. When you select heat, vacuum is directed to a vacuum motor. This motor operates a vacuum actuator that moves a linkage that moves a door inside the heater box to direct the interior air through the heater core. If this actuator has a leak, it will activate, then as the vacuum leaks off, deactivate. You probably need to have a part replaced in the heater actuator mechanism.

Jan 20, 2015 | 2005 Nissan Altima

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When the heat is on it blows steam, fogging up my windows and windsheild. Is this the heater core?


yes, the heater core is leaking coolent and when the heat is turned on , the evaporated coolent is what is steaming your windshield.
Replace the heater core to solve this problem.

Nov 28, 2011 | 2001 Ford Escort ZX2

2 Answers

The heater core is going bad in my blazer, but it still blows hot air. When I turn the control to switch the heat from vent to defrost or floor, it still blows out of the vent. How do I fix this?


THAT HAS NOTHING TO DO WITH A HEATER CORE IF CORE IS GOING OUT IT WILL LEAK THATSOUNDS LIKE AN ACTUATOR ACTING UP OR VACCUUM LINE LEAK BEHIND DASH

Apr 06, 2011 | Chevrolet Blazer Cars & Trucks

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88 bronco II, heater hose going to water is cold, and my heater blows cold air, is my water pump going bad? the return heater hose is warm, it was heating once in awhile now it don't heat at all just cold...


I would try flushing heater core to see if it's plugged. I don't think it's waterpump, your rig would be overheating if it was. Leaking is most common waterpump failure.

Mar 06, 2011 | 1988 Ford Bronco II

1 Answer

How to replace heate core 1988 buick reagal


REMOVE OR DISCONNECT
  1. Negative battery cable.
  2. Drain cooling system.
  3. Upper firewall weatherstrip.
  4. Upper secondary cowl.
  5. Heater hoses from core.
NOTE Blowing out residual coolant from inside the heater core will prevent coolant leakage into the passenger compartment when the heater core is removed.


  1. Sound insulator.
  2. Rear seat duct adapter.
  3. Heater duct.
  4. Heater core cover.
  5. Heater core.
INSTALL OR CONNECT

  1. Heater core.
  2. Heater core cover.
  3. Heater duct.
  4. Rear seat duct adapter.
  5. Sound Insulator.
  6. Heater hoses to core.
  7. Upper secondary cowl.
  8. Upper firewall weatherstrip.
  9. Fill cooling system and check for leaks.
  10. Negative battery cable.

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Oct 21, 2010 | 1988 Buick Regal

2 Answers

Antifreeze steam comeing through vents


Your heater core has a leak, it's like a small radiator that heats up and the blower motor blows air thru it to create heat in the car. It is leaking anti freeze into the heater box.

May 12, 2010 | 1998 Mercury Sable

2 Answers

Runs hot and hearter not blowing hot air


a heater uses the temperature of the cars water, running threw a heat exchanger if the heater core has failed water will not circulate threw the engine properly this will and can cause over heating as well as nothing blowing from the heater. good luck.heater cores are generally inexpensive parts to replace.

last thing you can check if heater core is ok. is the thermostat.

Feb 18, 2010 | 1999 Pontiac Montana

1 Answer

2002 taurus, power windows all stopped working at once along with lighted window switches. Drivers window stuck down. Relay was hot! Also heater blows cool air, started doing this after I added radiator...


LOOK FOR BLOWN WINDOW CIRCUIT BREAKER.YOU HAVE A SHORT IN WINDOW SWITCH OR BAD WINDOW ELECTRIC MOTOR.YOUR HEAT PROBLEM IS A STOPPED UP HEATER CORES.THE STOP LEAK STOP ITS HEAT.THE STOP LEAK HAS STOPPED OR PLUGGED YOUR HEATER CORE SO COOLANT CANT PASS THROUGH IT.YOU GOING HAVE TO FIX RADIATOR LEAK AND REPLACE HEATER CORE TO GET HEAT AGAIN.

Jan 28, 2010 | 2002 Ford Taurus

2 Answers

Strange smell when heat is on heat works fine just strange smell also have to add coolant about every three months


sounds like you got a heater core leak,the heater core is what the coolant flows thru into your heater box in your dash to allow you to have heat,sounds like the core is leaking,by the smell and the low coolant i would say it is leaking, youll need to replace it before it blows out, you dont need 2 gallon of 200 degree coolant flowing into your car,,,

Oct 07, 2009 | 2000 Jeep Grand Cherokee

1 Answer

96 Jeep Country-Heater blowing warm; NOT hot


unless you got visable signs of leakage its not heater core, but it could be pluged with sediment. take off both heater hoses and flush it both ways until it runs clear. you can also mix a little baking soda and water and pour in core and let set for a while and then flush.

Jan 11, 2009 | 1996 Jeep Cherokee Country

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