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  1. 4.0 SOHC coolant loss

    2011 Ranger, 4.0 engine. I am loosing coolant with no external leaks. No evidence of coolant in the oil. Not smoking. Maybe 50 miles I lose about a quart. There is a lot of condensation coming from the muffler weep hole but it is pure water, no green. I don't have a radiator pressure tester so I...

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