Oil leaking from hose
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Oil leaking from hose

  1. #1
    B-Town Bomber CAMDIDDY's Avatar
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    Default Oil leaking from hose

    I bought a new battery for my project boat, hasnt ran in over 2 years.
    Started right up. Throttle response was good and everything seemed to
    be working fine.
    However I noticed a small hose at the back of the block (bbc), with a screw and
    a washer on it that was dripping oil all over the shaft. It only spits out oil
    when the engine is runnning, and as it falls onto the spinning shaft it splatters everywhere.
    What is it? is it a drain of some sort? or is it supposed to be sealed? not much of a mechanic so any help is appreciated.


    the hose held by my middle finger...

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  3. #2
    Senior Member OUTLAW HALLETT's Avatar
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    it looks like it comes from the back of the block, where a oil pressure line would go, and someone just stuffed a bolt in it , for some reason. you should be able to follow it back and plug it the correct way,

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Thee should not be a hose attached to ANY port that I am aware of on the back of the block, and a rubber hose on an oil gallery port is just asking for a leak @ 50 to 60 psi.

    Track it down, remove whatever nipple is there, and replace with an apropriate brass pipe plug.

    Oil press. sender is USUALLY screwed in on the lower left side just above the filter mount, although any gallery port WOULD do.
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  6. #4
    Senior Member GT Jets's Avatar
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    Looks to me like a Redneck oil change kit, remove that chit!, just asking for a Valdes redo...

    GT
    GT


    Quote Originally Posted by Quickjet View Post
    Put a 300 on the back of it, Flywheel it and a nosecone. $15,000 later you'll have a 65 mph pile of shit......

  7. #5
    B-Town Bomber CAMDIDDY's Avatar
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    I couldnt really tell where it went, somewhere under the block. May be connected to the oil filter?
    Ill follow it tommorow when I can get some sunlight.
    So sounds like everyone is saying find the outlet and just cap it off right?

  8. #6
    Senior Member moneysucker's Avatar
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    Quote Originally Posted by CAMDIDDY View Post
    I couldnt really tell where it went, somewhere under the block. May be connected to the oil filter?
    Ill follow it tommorow when I can get some sunlight.
    So sounds like everyone is saying find the outlet and just cap it off right?

    It may be the oil drain hose and the previous owner used a pump to change the oil. If ti goes to the pan that would be my guess. It may have gone to a oil primer bottle too although I have never actually seen one.
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  9. #7
    jetboataholic HawaiianJet's Avatar
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    Is the battery on top of the pump??? How do you grease the jet pump thrust bearing???
    Last edited by HawaiianJet; 03-08-2009 at 09:15 PM.
    HJ

    ***FOR SALE*** 1978 19' Full Stringer Hawaiian Molokai Jet Boat w/ Berkeley 12JC-AB and Chevy 440 Tall Deck ***FOR SALE***

    Quote Originally Posted by mako shark mark View Post
    Oh yeah, Forgot to mention that the hull is a special mixture of speedcote, herculiner and rain-x, all blended together- good for another 8 mph top end.

  10. #8
    ....like warm apple pie RaceFace's Avatar
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    Quote Originally Posted by GT Jets View Post
    Looks to me like a Redneck oil change kit, remove that chit!, just asking for a Valdes redo...

    GT
    X2.....get that outta there. No reason for it. Cap it off.
    Race

  11. #9
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    Default Pan drain?

    Quote Originally Posted by RaceFace View Post
    X2.....get that outta there. No reason for it. Cap it off.
    Find out what it is before you make the decision to remove it. It may very well be an oil drain of some sort. Even a small hose will drain the pan over time. Park the boat, open the drain and come back tomorrow it'll be empty. Usually the hose is long enough to stick thru a transom hole into a bucket or pan....ID it....Ray
    Last edited by Moneypit; 03-08-2009 at 10:56 PM.
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  12. #10
    Senior Member GT Jets's Avatar
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    Quote Originally Posted by HawaiianJet View Post
    Is the battery on top of the pump??? How do you grease the jet pump thrust bearing???
    LOL, right now he don't have to, it gets sprayed with plenty of 10W-50

    GT
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    Quote Originally Posted by Quickjet View Post
    Put a 300 on the back of it, Flywheel it and a nosecone. $15,000 later you'll have a 65 mph pile of shit......

  13. #11
    Senior Member NiceGuyEddie's Avatar
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    Quote Originally Posted by HawaiianJet View Post
    Is the battery on top of the pump??? How do you grease the jet pump thrust bearing???
    Im guessing he would have to remove it for that twice a year task.

  14. #12
    B-Town Bomber CAMDIDDY's Avatar
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    ok the hose runs down to a "T" at the bottom of the block,
    which has either a filter or some kind of pump on one end (has an
    electric wire on the end). It must be a drain or something to
    change the oil. I removed the hose and capped it off. theres
    another outlet with a valve incase i ever need to drain it.



  15. #13
    Senior Member DuaneHTP's Avatar
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    You did the right thing. That thing with the wire running to it is the oil pressure sender for your oil pressure gauge.

  16. #14
    jetboataholic HawaiianJet's Avatar
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    How could you drain the oil from there?? That's above the level of the oil in the pan and even above the oil in the filter. I've replaced my oil pressure sender with all the oil in the engine, didn't leak a drop. My guess is that it was so they could hook a mechanical gauge up to it if they needed to, like if the electrical gauge was giving them a funky reading and they needed to verify.
    HJ

    ***FOR SALE*** 1978 19' Full Stringer Hawaiian Molokai Jet Boat w/ Berkeley 12JC-AB and Chevy 440 Tall Deck ***FOR SALE***

    Quote Originally Posted by mako shark mark View Post
    Oh yeah, Forgot to mention that the hull is a special mixture of speedcote, herculiner and rain-x, all blended together- good for another 8 mph top end.

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