Question about 1989 Ford F 150

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I have a 89 f-150 that is overheating on hills, but when I check the fluid levels everything is fine. What else can the problem be?

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  • wallygator67 May 11, 2010

    Could be a number of things. Faulty thermostat, Clogged rad. Waterpump, Even too weak a mix of coolant. When was the cooling system flushed last? How old is the coolant? When was the thermostat rplaced?



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Posted on Apr 28, 2010


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It sounds like your having some very serious issues.

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When its cold it may work a little better because the fluid is a little thicker and all the parts inside haven't expanded yet(due to heat) allowing them to not "slip" as easily.

I would check your fluid and take a look at it. If its dark and burnt smelling, its time to change it.

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I would then check your fluid level.

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Hopefully my tips will get your car going up those hills for a little while longer,

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