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Old 01-18-2019, 10:51 AM   #18
FRANK PKNY
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Join Date: May 2010
Location: POUGHKEEPSIE NY 12601
Posts: 1,016
Default Re: Dark brown gravy for oil

Water is the cause, either it's not getting hot enough, or you have a leak, gasket, crack. Et. Try a pressure test. Should help you evaluate the condition of your cooling system. Easy to do, won't hurt anything.
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