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What will cause oil in the coolant on a n14 cummins diesel engine?
Wiki User
∙ 11y ago
Bad head gasket?
Warped head?
also try looking at the oil cooler , when they get a leak in the core it dumps oil into the coolant , is so have fun when you try to flush it all out , we use dishwashing soap in the radiator then flush well with water a time or two before you put anti freeze back in. Good answer!
Wiki User
∙ 11y ago
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