ws721 Posted April 18, 2015 Share Posted April 18, 2015 My E9 has always put some antifreeze in the oil pan. Drain out about 20 ounces in the spring and were good the rest of season. Truck sits all wintah. This spring I took out around 40 ounces or 4 small water bottles of antifreeze. I know it isn't good or going to heal its self. But would anybody have a guess as to whats causing this? Engine has 227,000 miles. Doesn't build pressure in radiator. It will hold pressure if I pump up in the radiator. Could be air compressor? Oil cooler? O rings around the sleeves? Head gasket? Just trying to narrow down my options Quote Remember if it's got a hood it's no good! Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/ Share on other sites More sharing options...
Popular Post theakerstwo Posted April 18, 2015 Popular Post Share Posted April 18, 2015 Get some one to pull oil pan and pressure the coolant system to maybe 15 psi and let set till it starts to drip.No one knows until this is done.Also when pan is off heck the brg cause they will be bad. 4 Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/#findComment-287132 Share on other sites More sharing options...
BAD DOG Posted April 19, 2015 Share Posted April 19, 2015 Pull the pan and pressure test the cooling system. That's the only way to find it. If it's never been touched the o rings on the sleeves could be dried out. I had an electrolysis problem with one of my E9s and all the sleeves on one bank got pitted and one leaked antifreeze but it never went in the oil I found it on the blow by tube. On mine so if the rings are still tight in yours I'd bet money it's an o ring rather than head gasket. Could be your oil cooler but usually they put oil in the rad. But you won't know till you pressure test it. Quote Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/#findComment-287206 Share on other sites More sharing options...
MACKTRUCKS4 Posted April 20, 2015 Share Posted April 20, 2015 The guy that had mine before me went crazy thinking it was a head gasket. Turned out to be two sleeves had pits in it from age. Drop the pan. Quote Live every day like it's your last, because one of these days, it will be. Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/#findComment-287299 Share on other sites More sharing options...
ws721 Posted April 20, 2015 Author Share Posted April 20, 2015 Ok. Drop the pan it is then. Thank you for your help Quote Remember if it's got a hood it's no good! Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/#findComment-287375 Share on other sites More sharing options...
theakerstwo Posted April 21, 2015 Share Posted April 21, 2015 Test don't guess 2 Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/#findComment-287394 Share on other sites More sharing options...
bubbamobilin Posted April 28, 2015 Share Posted April 28, 2015 Just got through rebuilding my oil cooler. Did the same thing. Pulled oil pan and pressure checked. No coolant. Next place to look is the oil cooler. Big o ring was dried out. If your getting coolant in the pan during climate changes most likely an o ring somewhere. Quote Link to comment https://www.bigmacktrucks.com/topic/39739-e9-antifreeze-in-pan/#findComment-288197 Share on other sites More sharing options...
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