coolant leak from front cover - Ford Powerstroke Diesel Forum
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Old 11-05-2013, 03:47 PM
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coolant leak from front cover

ok guys so i have a few questions and im not sure if there is any correlation or not. So first things first I have a 2008 6.4 125k miles dpf and egrs are deleted currently using spartan tuner to watch my temps. Last few days I noticed my egts getting really low at idle like going from 400 range to 140 to 200 degrees immediately after coming to a stop. I did just start running the spartan tunes but I didnt think this would cause that so I decided I would keep an eye on it. My first thought was maybe coolant is getting into the exhaust stream and causing it to cool off quickly but im not loosing any coolant. Also not sure why but i seem to have a difficulty determining the color of smoke leaving my exhaust like telling blue from white. Well anyway I started noticing whiteish puff of smoke on the first startup off the day. Also noticed what looks like a coolant leak coming from the front cover area passenger side (see pics below) but must be very slow leak because i havent noticed any loss from reservoir so far. Also I dont seem to be making oil level has been constant for past three days checking it before first startup of the day. so thinking I may just have a leaky front cover gasket and faulty temp sensor. any more ideas? i have a cross country drive to make in a week and a half so advice is very much appreciated guys.
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Old 11-16-2013, 03:25 AM
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The front covers are pretty bad about leaking, but not usually to the outside. I've heard from ford that the casting sand is sometimes left in the block and when it's cycled thru the front cover via the water pump it eventually eats a hole thru but then it gets in the oil. If probably have that checked before I did a cross country trip.
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Old 11-16-2013, 03:27 AM
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The pictures look like it's been leaking coolant for a while to me, how much coolant have you added in say, the last 6 months?
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