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CATEGORY LISTINGS > CUMMINS > coolant in fuel system [ REFRESH ]
Thread Title:

coolant in fuel system


Created On Sunday May 19, 2013 12:08 Diesel Talk
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Grunex125
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Posts: 1
Joined: May 2013

Note Sunday May 19, 2013 12:08 View thread in raw text format
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I have a 350BCIII with coolant in the fuel system. I had the oil pan off and noticed on the Number 4 cylinder there was moisture and a little rust inside. Cylinder looked a bit coated with rust as well, but not bad at all. no scoring otherwise. Where I noticed the coolant was in the fuel filter when I took it off to change. Now for my question, since the fuel goes through the heads on these engines could I possibly be lucky enough to just have a blown head gasket? or would I more than likely have a cracked head? The engine was a takeout engine and the guy sold it as a such so I am not surprised to find some things wrong with it but I would like a little more insight before I open it up.

Thanks in advance
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JoeZ
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Joined: Dec 2008

Note Monday May 20, 2013 04:01 View thread in raw text format
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Most likely it's the injector "coppers" in the heads.

-------------------------
One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.
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Ed1
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Joined: Sep 2010

Note Thursday May 30, 2013 18:45 View thread in raw text format
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Like joe said most likely coopers but could be a fuel heater if your engine has one
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