Question about 2003 Ford F350 Super Duty DRW SuperCab

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2003 ford f350 6.0 diesel

Oil in water,head gaskets ok.

Posted by Anonymous on

  • Anonymous Nov 11, 2008

    i have a 97f350 7.3turbo i have diesel fuel getting in the water system and causing it to come out the radiator overflow

  • rolloffs Feb 03, 2009

    2003 F450 6.0L diesel (same as 2003-present 6.0L F250-F450 and Super Duty). We have oil in coolant, and have replaced the oil cooler 3 times, using Ford factory kit, and have same result. After topping off all fluids, and flushing coolant system, truck was sent out on road. When it came back later that day, no oil showed on dipstick and oil was present in cooling system again.

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The 6.0l diesel is noted for having oil and fuel enter the coolant system. If it is oil then the oil cooler has failed. The oil cooler is located the the center of the engine under the intake.On an F-series truck the oil cooler is below the oil filter housing. It can be identified by two things. The low oil pressure sensor and a small blue or orange hose is connected to the cooler. If it is fuel in the coolant then you have a cracked head or cracked injector sleeve.

Posted on Oct 25, 2008

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