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  1. #1
    Join Date
    Jun 2005
    Location
    Mid Devon
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    6,453

    Default Brand new Bravo 3x never splashed or run - Oil leak?

    As said above. Just preparing for first test start and tilted the leg to get the test tank under the leg. Noticed drive oil coming out of the front dual water inlet. Where could it be coming from? any ideas? Thanks.
    Last edited by PCUK; 16-09-19 at 16:59. Reason: Typo
    Brexit: Taking back our freedom as a sovereign nation.

  2. #2
    Join Date
    Sep 2002
    Location
    South
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    16,762

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?


  3. #3
    Join Date
    Dec 2001
    Location
    north ayrshire
    Posts
    475

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    Its quite possible if the drive was fitted while there was oil in the reservoir that as the drive was installed oil can leak out before the drive is fully mated and it will run down the internal passage and out the bottom.
    If its only a small amount and no more coming out then probably nothing to worry about, if the level in the reservoir is dropping or empty then you need to investigate further

  4. #4
    Join Date
    Jun 2005
    Location
    Mid Devon
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    6,453

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    Thanks both. I'll see if the leak stops with no loss from the reservoir first.
    Brexit: Taking back our freedom as a sovereign nation.

  5. #5
    Join Date
    Jun 2005
    Location
    Mid Devon
    Posts
    6,453

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    Ah well, Still leaking, so it's off with the leg. Still in the shed and under the hoist so no big deal, but a bugger all the same! The only place I can think it's coming from is the dribble valve connection, perhaps the seal? has moved or something. This is the first Merc' drive I've worked on and although they're not rocket science they are different to what I have previously been used to. Any further places I should be looking once the leg is off. Thanks.
    Brexit: Taking back our freedom as a sovereign nation.

  6. #6
    Join Date
    Nov 2002
    Posts
    2,687

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    Check the oil hose between the shield and the gimbal house, I have seen a few that were missing the plastic clamp which secures the hose to the nipple at the back of the valve.

  7. #7
    Join Date
    Jun 2005
    Location
    Mid Devon
    Posts
    6,453

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    Thanks for that, I'll have a look tomorrow, although would that allow oil to enter the cooling passage?
    Brexit: Taking back our freedom as a sovereign nation.

  8. #8
    Join Date
    Nov 2002
    Posts
    2,687

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    if its definitely coming out of the water intake then the best thing is to pressure test the drive.

  9. #9
    Join Date
    Jun 2005
    Location
    Mid Devon
    Posts
    6,453

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    Thanks again, Definitely from the water inlet holes. Only happens when the leg is raised to trailer position. Then stops. After leg has been down again for a few days and raised it starts again. What's the procedure for pressure testing please?
    Brexit: Taking back our freedom as a sovereign nation.

  10. #10
    Join Date
    Nov 2002
    Posts
    2,687

    Default Re: Brand new Bravo 3x never splashed or run - Oil leak?

    You need a pump with a pressure gauge, its a bit like a bicycle pump with a threaded fitting which you screw into the level hole on the top section, all decent marine workshops will have one.

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