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    • Cummins Marine Forum Topics
    • 6CTA 8.3 M1 oil in coolant

      This topic has 10 replies, has 4 voices, and was last updated byalex1 5 years ago

      June 20, 2018 at 9:14 am Hi Tony and everyone else, I was in my engine room all day today, entire saloon floor taken up for plenty of headspace and light. Was swapping out some old gear oil cooler hoses as well as some coolant vent lines on port engine, after going to the hydraulics shop yesterday. Late in the afternoon, almost everything done I changed my coolant filters. Port engine, no problem. Stb engine… after unscrewing the filter a few turns, the first liqu…

      Started by: alex1 in: Cummins Marine Engines

      10 Replies
      August 3, 2018 at 6:30 am Done about 25+ hours now, since the flush, including some longer run outs, where engine engine speeds have been 1800-1900 Rpm. Now – we have dirt in the coolant. It’s not a lot, but quite clear to see. Any thoughts? Engine has still been operating at expected temps and nothing else out of the ordinary going on.

      Last Post by: alex1 posted: 5 years ago

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