91 Mercedes 300E with 200,000 miles.There's oil in the coolant but the oil dipstick is clean. It over heats some but not completely. Otherwise drives fine. Is this a blown head? Appreciate any help

Asked by scorpio805 Oct 18, 2015 at 11:30 PM

Question type: Maintenance & Repair

30,485

Tom answered 8 years ago

Pressure determines what fluid leaks into what other fluid ~ oil can be over 40lbs pressure but the most you will ever get in a radiator is 15lbs (usually much lower) so you probably will never see coolant in the oil.At 200k miles that head gasket must be as brittle as glass

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jamnblues answered 8 years ago

Oh! here's the question again! And here's my answer again- get a compression test-

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Your Answer:

91 Mercedes 300E with 200,000 miles.There's oil in the coolant but the oil dipstick is clean. It over heats some but not completely. Otherwise drives fine. Is this a blown head? Appreciate any help 4 Answers

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91 Mercedes 300E with 200,000 miles.There's oil in the coolant but the oil dipstick is clean. It over heats some but not completely. Otherwise drives fine. Is this a blown head? Appreciate any help 2 Answers

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