Why is there coolant in oil diesel engine oil?
Finding coolant in oil diesel engine setups is a sight no owner ever wants to see when pulling the dipstick. You're expecting that deep, dark amber or the usual soot-black of a hard-working diesel, but instead, you find something that looks more like a chocolate milkshake or a weirdly pale latte. It's a sinking feeling, mostly because you know that oil and water—or in this case, antifreeze—are legendary enemies. ...