Question about 2003 Ford Explorer

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I have a 2003 ford explorer,when the heat is on full power it clunks, my mechanic said its the fan in the unit. How much will it cost to replace?

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Ted Schore

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Ask your mechanic, he knows what the clunk is, we dont. Fans dont "clunk" they whine, roar, rythmic clicking, or make vibrations, or dont work. Doors will clunk...usually.

Posted on Dec 09, 2010


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My Ford explore 2002 but with a 2001 engine is over heating still after replacing radiator,and thermostat housing what can still cause it to over heat?

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I have a 2002 Ford Explorer Sport no heat but the fan works,what could the problem be?

Could be that the thermostat has packed up...

Check all your coolant levels are correct and then take her for a good run out....keep your eyes on the temperature gauge,,if your temp gauge hardly moves then your thermostat is at fault....replace it.

If temp gauge works fine, you may be airlocked in your heater matrix... Try setting heater to full heat with fan on full power,, whilst car is ticking over, remove radiator / expansion bottle cap carefully and start squeezing your coolant pipes. This should force any air out through your rad/bottle top..

Please be aware that as your temperature rises in the engine. Your coolant will expand and start to flow out of the rad/expansion this stage quickly replace the cap....check your heater...leave engine to cool....unscrew rad/bottle cap, check coolant levels, top up if necessary and squeeze pipes again..start car with heater/fan on full and repeat above.....

Hope this helps..

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Clunking noise

The unit in the back has its own heater core. That's what i thought the clunking was.It has to clunck to go into heating mode.It shuts off the airconditioner The clunk noise just gets louder with age because the strip around the door wears off. The unit in the front has it's heater core is underneath the glove box real hard to get to. In other word's it has two heater cores. That's why i suggested just reversing the hoses and just flushing till you could afford heater core replacement.
God Bless Greg

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