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  1. 1

    Volvo Penta Knocking

    After many hours testing this and that, compression test found number 4 cylinder down by 95 psi in comparison to all the rest that were approximately 195 psi. The endoscope revealed pick up on the cylinder walls and is almost definitely the cause of the nocking. Removed the outdrive and the...
  2. 1

    Volvo Penta Knocking

    Not so crazy a thought, I had just refitted the outdrive. I will check this first when I get time to go to the boat . Week or two I will report as may help others. Thank you.
  3. 1

    Volvo Penta Knocking

    When I get to the boat in a couple weeks (it is a few hours away) I will check all of your suggestions. Thank you very much
  4. 1

    Volvo Penta Knocking

    Thank you All.
  5. 1

    Volvo Penta Knocking

    I would have liked to see the oil pressure very low if the bearing had collapsed? Also turn the engine off and leave it for a couple of minutes and when re started is quiet for a minute and then starts knocking again. Puzzle.
  6. 1

    Volvo Penta Knocking

    on fast tick over
  7. 1

    Volvo Penta Knocking

    Oil pressure perfect.
  8. 1

    Volvo Penta Knocking

    Thanks for the input. Barrie.
  9. 1

    Volvo Penta Knocking

    Hello My first thread, had my 2010 Rinker 280 5.7 petrol since 2015, my pride and joy, always service and freshwater flush after use trying to try to avoid problems, any way I would be very grateful for any experienced advise, I know I need to go through the regular checks, ie, checking the...
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