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    • Cummins Marine Forum Topics
    • 2007 QSC 8.3 500 boost &oil pressure problems

      This topic has 1 reply, has 2 voices, and was last updated byClark Leighs 2 years ago

      April 11, 2022 at 7:36 am Had boat hauled for bottom paint. Run home Iā€™m was doing 2120 rpmā€™s and looking down on my gauge scan and saw oil pressure 70 psi on port motor and 37 psi on boost. Ā Starboard was 48 oil psi and 26 psi boost which is typical numbers. Ā At idle I was still showing 15psi boost and 15 psi higher oil pressure on oil pressures. Ā  Engines ran great, no smoke, no temperature changes and very smooth. Ā  When I returned to dock, I shut down engines and res…

      Started by: Matthew Watson in: Cummins Marine Engines

      1 Reply
      April 13, 2022 at 7:23 am No replies yet?   I would check the wiring first.Ā  All connections that they are clean and tight.Ā  Ā Plug/socket connections opened carefully and sprayed with something like Corrosion X .Ā  THe pins can be wiped gently with a pencil eraser.Ā  They will clean oxidation off without damaging the coating .Ā  When plugging back in the wiping action between the pins and sockets will also help. Poor connections will produce resistance which will affec…

      Last Post by: Clark Leighs posted: 2 years ago

    • ZF shift solenoid

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

      June 4, 2017 at 7:28 pm Starboard transmission reverse getting little “sticky”. Need to shift in and out couple times for it to go reverse. Had same problem on port and fixed issue with new solenoid and previous owner had replaced forward solenoid Shortly before I purchased boat. Wondering if the problem is the whole solenoid or just the coil. Anyway to test the coil vs whole solenoid. Transmission zf 280 with 12 v 3207308033 solenoid glendinning fly b…

      Started by: Matthew Watson in: Marine Transmissions

      6 Replies
      February 9, 2020 at 8:05 pm EB15 solenoid in the one. Tony

      Last Post by: Tony Athens posted: 4 years ago

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