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  '79 to '93 -- The Fox Mustang
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Author Topic:   Heater Core
73torinoqcode
Gearhead

Posts: 388
From: Buffalo,NY,USA
Registered: Jun 2003

posted 07-23-2004 08:52 PM     Click Here to See the Profile for 73torinoqcode   Click Here to Email 73torinoqcode     Edit/Delete Message   Reply w/Quote
The heater core has blown up in my 92 Vert. There is coolant on my carpet and coolant seems to be leaking out of some kind of a drain right by the exhaust falange on the firewall passenger side. I believe it it definitely the heater core. I know it was replaced in 01. Do these things only last 3 years or was it a bad one? How hard are they to change as I kind of need the heat at least for the window defrosters. Does anybody know of a GOOD heavy duty core? That will actually last. I have been driving the car a little harder than usual lately. Any help appreciated.

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BLUE
Gearhead

Posts: 173
From: COLLINSVILLE, IL
Registered: May 2002

posted 07-23-2004 11:13 PM     Click Here to See the Profile for BLUE     Edit/Delete Message   Reply w/Quote
i dont think you are going to like this but i believe the whole dash has to come out to get to that heater core. sorry. i could be wrong but i dont think so. maybe someone else can chime in here.

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wildfire466
unregistered
posted 07-24-2004 12:42 AM           Edit/Delete Message   Reply w/Quote
Yep dash has to be removed. As too the console. Watch the armrest bolts, do only the bottom 4.

I've done a few. There is some tricky bolts just above the steering column and on the drivers kickpanel area. Kind of hidden. Just when ya think ya got everything removed you find them. Have to purge the A/C as well. You'll need the fancy disconnect tools for this as well.

Since your into the A/C, install all new o'rings on everything. Trust me just putting o'rings on the dryer will... for some crazy reason make a leak at the condensor? You should change all coolant hoses and "Rad Cap." Something that is always never regarded as routene maintenance.

I take out the seats for more room. I figure your looking at 8 hours of work. Take your time and watch as you disconnect all the wires from under the dash.. A camara might help with reassembly.

Cheers

Les

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http://www.geocities.com/wildfire1mustang/

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wildfire466
unregistered
posted 07-24-2004 12:51 AM           Edit/Delete Message   Reply w/Quote
Sorry, missed some more info. Actually it's electron flow that kills the heater core. Have you seen the white power on your battery? Now have you seen the same white powder type in a radiator? Because you hoses are made of carbon, like plug wires. So electricty can flow thru your coolant, just like a battery. Ford started putting ground straps on their heater cores lately. So my answer, make sure all your factory grounds are good, and flush your cooling system every year.

Les

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http://www.geocities.com/wildfire1mustang/

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73torinoqcode
Gearhead

Posts: 388
From: Buffalo,NY,USA
Registered: Jun 2003

posted 07-24-2004 01:11 AM     Click Here to See the Profile for 73torinoqcode   Click Here to Email 73torinoqcode     Edit/Delete Message   Reply w/Quote
Definitely no white matter anywhere. I just found the reciept from when it was done in 01 and its a cheap one. Do you recommend a Ford replacement? I found you dont have to touch your A/C to do it. It takes a bit more time by removing the A/C bracket, ever heard of this way?

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73torinoqcode
Gearhead

Posts: 388
From: Buffalo,NY,USA
Registered: Jun 2003

posted 07-24-2004 03:19 PM     Click Here to See the Profile for 73torinoqcode   Click Here to Email 73torinoqcode     Edit/Delete Message   Reply w/Quote
I figured I would add this link which I found on how to do one without messing with the A/C. I am going to simply bypass mine until I do it as a winter project. Hope this helps someone else out if needed. Thanks Les for the advice also much appreciated.
http://home.netcom.com/~skent/mustang/1990/heater_core/hcore.html

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wildfire466
unregistered
posted 07-24-2004 11:43 PM           Edit/Delete Message   Reply w/Quote
Ya, that link is Ok but the pic's don't work. The way I look at it... it's just easier for me to have the box out of the car. After struggling with the dash the last thing I want is to mess around with a small wrench and turn some screws.

Just my 2c
Les

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http://www.geocities.com/wildfire1mustang/

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