Posted by farjohn on October 10, 2017 at 15:13:29 from (72.168.160.168):
I have a 1972 Case 1737 gas powered skid steer. Last winter as I was moving snow it started billowing smoke out of the engine compartment and I thought I'd blown a hydraulic line. Turns out, engine oil was spewing out of the breather fitting atop the valve cover, as though the oil pan was being pressurized. I checked the oil and it was a couple quarts high and smelled like gas. I would have blamed the mechanical fuel pump except that I replaced it with an electric pump two years ago. I installed an in-line pressure regulator set to 4PSI, drained and replaced the oil and the problem persists, though it hasn't elevated the level of oil and the oil no longer smells like gas. The engine runs fine and no smoke is coming out of the exhaust pipe. When the loader warms up the problem reappears. I'm stumped! Any advice would be appreciated. Thanks.
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