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Recent content by tthomas

  1. T

    coolant use problems

    i am getting incredibly frustrated with my yanmar 6ly72 turbo diesel i have had continuous coolant use problems for the past three years. i have had the heat exchanger off , the head gasket replaced, replaced the closed coolant exit tube ( defective porous casting) and i continue to use coolant...
  2. T

    yanmar 6ly72_stp coolant losss

    my 450 hp yanmar looses coolant into the overflow tank but does not draw coolant back in to the system when the engine is cooling. it consumes about 1 qt of dexcool per3 hrs run time. i removed the heat exchanger and replaced the gaskets and had it pressure tested . i have no coolant in bilge...
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