Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Coolant recovery tank level

  • This topic has 1 reply, 2 voices, and was last updated 4 years ago by Anonymous.
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  • July 12, 2019 at 6:32 am #75201

    marks737
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    Hello. I have QSB 5.9 engines. Just wondering if the plastic coolant recovery tank on the back of the engine should have coolant in it. Mine are empty and was wondering if I need to add some. In my previous gas boats, there was always a cold and hot level line on these containers.

    Thanks

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  • July 12, 2019 at 10:18 am #75214

    Anonymous
    Inactive

    1/3 full when the engine is cold.

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