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David Smith

Engine Problems

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My ENDT 675 is pumping motor oil into the cooling system. What would you check first ? Thanks !!!

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oil cooler {copper tubes wore out in area of steel support cage}

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My ENDT 675 is pumping motor oil into the cooling system. What would you check first ? Thanks !!!

check the oil cooler for cracks

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You can get a rebuilt oil cooler from your mack dealer, i had the same problem on a 300, there is O rings in there, you get the cooler and housing together just bolt it on. Ron

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You can get a rebuilt oil cooler from your mack dealer, i had the same problem on a 300, there is O rings in there, you get the cooler and housing together just bolt it on.                      Ron

Thanks for everyone's help. I will check the oil cooler this week.

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