Question about 2002 Ford Taurus

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Were is that heater core located and how to change it on a 2002 Ford Taurus

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Never open, service or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. Also when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink ant that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.

Heater Core
1. Disconnect the battery ground cable
2. Drain and recycle the engine coolant.
3. Remove the instrumental panel.
4. If equipped with the 5.4L 4V engine, remove the junction block splash shield.
5. If equipped with the 5.4L 4V engine, remove the bolts and disconnect the cable ends from the starter relay.
6. If equipped with the 5.4L 4V engine, remove the junction block bracket.
7. Disconnect the heater core hose couplings.
8. Remove the retaining screw and remove the A/C plenum demister adapter.
9. Disconnect the vacuum line from the A/C plenum demister adapter.
10. Remove the heater core bracket.
11. Remove the 13 plenum chamber top retaining screws.
12. Remove the plenum chamber top.
13. Remove the blend door assembly from the case.
14. Remove the heater core.
15. The installation is the reverse of the removal.

The entire dash must be removed and the air conditioner refrigerant pumped out. Only then can you remove and replace the heater core. There is no short cut or fast way to do this. The dash has to come out to access the heater box and replace the core. So the steps in replacing the heater core are to disconnect the heater hoses, remove the dash, to access the heater core cover on the front of the heater case and replace the core. Reassembly is in the reverse order as disassembly. Fill the cooling system with new coolant, and burp the air form the cooling system.

Posted on Oct 07, 2010


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2002 Ford Taurus, Heater blows cold air?

What have you checked so far ?
Radiator full of coolant ? Heater hoses getting hot ?

Feb 23, 2015 | 2002 Ford Taurus


Location of Heater Core in a 2002 Ford Taurus

There was a question in this forum as to the location of the heater core on a 2002 Ford Taurus. Since I can't find who asked, the location is behind the dash so if you want to replace it you would have to remove the dash completely. A mechanic shop will charge you for a 2 day job approximately $700 to $800.

on Oct 07, 2010 | 2001 Ford Taurus

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What does it take to change the heater core of a 2002 ford taurus car?

You have to pull out most of the dash as well as the blower motor and ducting it's a serious job it's located on the firewall on the inside basically behind your glove box

Apr 24, 2014 | 2002 Ford Taurus

1 Answer

I have a 2002 ford taurus and the heater isnt working all that well and i was wondering what things i should check

The heater core is under the dash.
If the engine is reaching normal temp, and both heater hoses are hot, you may have a problem with a blend door under the dash.

Feb 04, 2013 | 2002 Ford Taurus

1 Answer

I have a customers 2002 Ford Taurus that has a problem with very little heat to the interior. We tried simple fixes like a new thermostat and also found the cabin filter plugged. I now have good airflow...

Have you considered flushing out the cooling system?? I think if the heater core is plugged up with a film internal your not going to get efficient heat

Feb 02, 2011 | 2002 Ford Taurus

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I have a 2000 Ford Taurus my blower is blowing fine the heat is coming out cold i have recently changed my theromastat and the heat is still blowing cold

The heater core (a mini radiator located under the dash) or its feeder hoses are clogged. They are not allowing water to circulate through the heater core. That is where the heat comes from.

Dec 09, 2010 | 2000 Ford Taurus

2 Answers

2002 ford taurus heater core has broken for the third time. car has100,000 miles on it. Have you seen this proublem befor?

If there is play in the box,where the heater core is,or the heater hose lines are not supported to keep them from putting pressure on the heater core this will happen.

Jun 15, 2010 | 2002 Ford Taurus

1 Answer


Check the coolant level.Feel the heater hoses going to the heater core to see if they are warm,or hot.If one of them is warm,or hot,and the other is not,remove the heater hoses,and flush the heater core out with a water hose.Bleed the coolant system,and you might want to install a new thermostat while you are at it.

Dec 10, 2009 | 2002 Ford Taurus

1 Answer

Very little heat from my 2002 Taurus. Changed thermastat,added antifreeze, new overflow tank and had the air bled. Now what can I do?

i would probably try and flush out the heater core, it may be plugged up, to do this there are two heter hoses that go into the firewall at the back of the motor, remove those and use a garden hose to back flush it. If nothing comes out try a rad flush solution and let it sit inside the heater core for 10-15 minutes and then try to flush it again

Nov 18, 2009 | 2002 Ford Taurus

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