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Old 09-25-2004, 05:46 PM
Aeropain Aeropain is offline
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Clogged heater core?

I let my 88 warm up, but I don't get any heat. Checked the coolant level (when cold of course) and it is ok.

One heater hose gets too hot to touch (like the rad hoses), the other heater hose (the one leading to the pump) stays cold.

I'm thinking I need to disconnect both hoses, connect that cold hose to a garden hose and reverse flush the core.

Any thoughts? War stories?
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Old 09-26-2004, 05:17 AM
SgtJoe SgtJoe is offline
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So far I would think you're on track. Is there a valve inline with a heater hose? Check for temp before and after it.
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Old 09-26-2004, 03:23 PM
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BOTH heater core hoses should be hot. If only ONE is hot then the core is probably plugged. If they are both hot then it could be a blend door problem. AeroColorado or someone should be able to help you with that problem. Good luck!

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Old 09-26-2004, 08:52 PM
Aeropain Aeropain is offline
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Well, I went to the autoparts store and bought 2 5/8" heater hose repair kits (plastic pipe and 2 clamps) then I went to the Home Improvment store and bought a female hose repair fitting.

I cut the heater hoses, and put the female hose fitting on the heater core outlet hose. I then hooked up the garden hose (through a spray nozzle so I'd have control of the flow). Put a 5 gal bucket under the free end of the heater's input hose and turned on the water.

I got a bucket full of gray glop. The former owner had mentioned having the heads redone, so I think that's the culprit. (Yes he was the sort to simply say oh well and have no heat for 3 years)

I cleaned up, and used the repair kits to reconnect the hoses, fired her up, and voila! Heat!

Booya!
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Old 09-26-2004, 09:31 PM
psyche psyche is offline
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That's what I call ingenuity!
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Old 09-27-2004, 05:52 AM
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Good job! Well worth the time and effort. Better than changing the core out!

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Old 09-27-2004, 01:00 PM
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I'll put that one in my book of tricks. Great thinking and we appreciate the tip!
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Old 09-29-2004, 09:41 PM
Aeropain Aeropain is offline
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Glad of it helps someone else.


Just for clarity, the garden hose attaches to the heater hose that leads to the water pump. That way you are reverseing the flow of liquid and pushing whatever is in the way back out the way it came in (and obviosuly could fit through any openings)
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Old 10-02-2004, 09:33 PM
cbr900 cbr900 is offline
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How about my heater problem, the rear heater works but the front one does not blow hot air, any ideas.
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Old 10-02-2004, 09:36 PM
cbr900 cbr900 is offline
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sorry forgot to mention, both the hoses to the heater are getting hot.
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Old 10-02-2004, 09:37 PM
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Probably a plugged heater core as well. Feel your heater core hoses and see if they are warm. Could also be a blend door problem.

-Matt

EDIT: You got in just before me. I would guess blend door problem.
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Old 10-02-2004, 09:38 PM
cbr900 cbr900 is offline
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heater

now how do I get to this blend door and were about's is it.
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Old 10-02-2004, 09:40 PM
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I am not sure about the Aerostar. It is not my "forte". You could do a search on it. http://www.ford-trucks.com/forums/se...earchid=325230

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Old 10-02-2004, 09:42 PM
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yes I guess so thanks anyway beast12.
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Old 10-02-2004, 09:42 PM
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2001, 2002, aerostar, clogged, core, expedition, f150, fix, ford, heads, heater, heating, plugged, sign, stopped, unclog

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