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post #1 of 2 (permalink) Old 08-17-09, 11:07 PM Thread Starter
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biggrin Coolant in sump 4.6ltrV8

Just wondering if there are any members with mechanical knowledge of these engines.I seem to remember reading a thread on here regarding this problem but can't seem to find it.We have a vehicle here at our dealership in Oz with what appears to be coolant in the sump.Its a 2002 Explorer 4.6ltrV8.This is something i have seen before but can't remember what the problem was last time.I've been trying to access my long term memory and seem to think it may have been a cylinder bore cracked or porous.I don't think it was the head gaskets but if anyone knows anything different it would be great.Thanx in advance.FORDTECH65


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post #2 of 2 (permalink) Old 09-01-09, 05:01 AM
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Re: Coolant in sump 4.6ltrV8

Sometimes the simplest solutions are usually the ones staring you in the face.

I'd look into the 'head gaskets' first before jumping the gun onto a "cracked cylinder bore". Which ever way you go, the head or heads will have to come off.

A simple test you can do to see which side is affected, for a quick fix, is to remove the exhaust manifolds from either side, then pressurize the radiator. This will force water into the cylinder, filling it up and pour out the exhaust port. You should then be able to see if it's one head or both that need to come off. But really, for a proper fix, one would do both head gaskets just to be on the safe side.

Last edited by ALWZL8; 09-01-09 at 05:03 AM. Reason: i'm bored
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