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    • Cummins Marine Forum Topics
    • 6bta5.9m3

      This topic has 1 reply, has 2 voices, and was last updated byRob Schepis 2 years ago

      March 5, 2022 at 5:48 pm I’m looking at removing the fuel cooler on my cummins. I was wondering if I need to do more than just connecting the supply and return direct to the injection pump , replace thd fuel cooler pipe with suitable hose and plugging the openings on the square block where they were connected?

      Started by: chamoale2k in: Cummins Marine Engines

      1 Reply
      March 6, 2022 at 5:29 am You could pull the block and relocate the oil sender. You’ve seen this, right?

      Last Post by: Rob Schepis posted: 2 years ago

    • Thermostats

      This topic has 19 replies, has 6 voices, and was last updated byTony Athens 4 years ago

      December 12, 2019 at 10:50 pm Ive got a 6bt5.9m3 cummins I know its not the best thing to do but has anyone ran one without the thermostat? Any issues?

      Started by: chamoale2k in: Cummins Marine Engines

      19 Replies
      December 28, 2019 at 4:24 pm IR Gun Temperature Check Surface temps on coolant cooled castings on the engine will always be less than the “coolant temps” inside… Plus, much of what you measure depends on the color of the surface, and the angle and distance you are away with the “red dot”.. Tony

      Last Post by: Tony Athens posted: 4 years ago

    • 160 thermostat

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 4 years ago

      December 22, 2019 at 4:52 pm Im curious do all cummins 6bta use the same size and style thermostat and gasket?

      Started by: chamoale2k in: Cummins Marine Engines

      1 Reply
      December 22, 2019 at 5:12 pm All Cummins mechanical Cummins 5.9’s , marine or otherwise of any HP rating, ( and 4B/BT/BTA 3.9.s) use the same “base thermostat” design.. Tony

      Last Post by: Tony Athens posted: 4 years ago

    • Dripless shaft seal

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 4 years ago

      November 15, 2019 at 1:54 am I just purchased a dripless shaft seal for my boat when I received it I noticed the seal surfaces have some glue from what appears to be tape. Can this be rremoved? If so using what?

      Started by: chamoale2k in: General Discussion

      1 Reply
      November 15, 2019 at 5:55 am What exact make / model seal? Post a picture. Tony

      Last Post by: Tony Athens posted: 4 years ago

    • Cummins 6bta5.9m3 water in fuel alarm

      This topic has 1 reply, has 2 voices, and was last updated byRob Schepis 4 years ago

      October 1, 2019 at 2:10 pm Just finishing the install noticed when running the engine I keep getting a water in fuel alarm. I do not have any sensors on my fuel filters so Im wondering is there one on the engine some where or is there a way to bypass this alarm if there are no sensors? Any help appreciated. Cummins 6bta5.9m3

      Started by: chamoale2k in: Cummins Marine Engines

      1 Reply
      October 2, 2019 at 5:31 am See this page: https://www.sbmar.com/articles/handle-water-fuel-wif-circuit-sensor-false-alarms/

      Last Post by: Rob Schepis posted: 4 years ago

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