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Old 03-27-2006, 07:08 PM
bohiaa bohiaa is offline
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heater core leak

I installed a new heater core " mine was leaking"
Now It seems that I cant get the heater hoses tight enoulf to stop leaking .

I tighten them up and it works fine for a day or two then it starts leaking again

I bought new hose clamps, I'm wondering if I need to take sandpaper and rough up the new outlet's so it will hold better...

Has anyone ever had a problem with this ?
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Old 03-27-2006, 08:33 PM
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amish77 amish77 is offline
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I wouldn't go with the sandpaper idea, keep it smooth. I got some questions though.

1.) What kind of heater core did you buy? if it's one of those with the plastic ends then one of them may have cracked

2.) what kind of clamps are you using? If they aren't screw-tighten then take the old spring style off and trhow them away and get the screw-tighten style. If they're the screw-tight kind then tighten them to the point where they are flush with the hose material, providing that the hoses are new. This leads me to the next question.

3.) are your hoses new or the originals. Good idea to replace the hoses when you do this, even if the old ones are ok. The hoses may have conformed to the shape of the old hearter core ends.

4.) where are the clamps located? Make sure that the clamps are past the bump on the ends of the heater core.

5.) how did you get the hoses onto the ends of the heater core? If you pried them on then the hoses may be damaged. Use a little coolent on the inside of the hoses to lube then and help them slip on.

I know that most of this might be a bit insulting, but it's worth checking over. If you've done all of these things then the new heater core may be bad.
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Old 03-27-2006, 08:57 PM
bohiaa bohiaa is offline
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no its the type with metal ends...

I didn't replace the hoses, But I did replace the calmps there the screw type

the hoses went on pretty easyly ther had coolant on them so they just slipped on...

But it this dont strighten out I will have to replace the hoses....


thanks
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Old 03-30-2006, 10:01 AM
73Custom 73Custom is offline
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I agree, replace the hoses. As hoses age they get dry and brittle and don't seal very well. Replace them, or every time the weather gets cool, they will start leaking again - been there, done that...

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Old 03-30-2006, 10:01 AM
 
 
 
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Go Back   Ford Truck Enthusiasts Forums > Misc. > Cooling, Heating, Ventilation & A/C

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