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Milky engine oil

R

rick

Regular Contributor
" I have pcm 351 that I have h

" I have pcm 351 that I have hooked up to the water hose and run for about 10 min. total. Now I have a milky color in my oil. I,m wondering if the pressure of the waterhose on the non-running engine could have contributed to the condition of the oil. "
 
"Sometimes when water is force

"Sometimes when water is forced through a stopped engine, it can back up in the exhaust tubes and enter the engine through the exhaust manifolds. I'd change the oil, run it normally and keep checking the oil. If it gets milky again, you've got a leak into the engine. The hit list includes exhaust manifolds, intake manifold, head gaskets, and so forth. Good luck!

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