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  1. #1
    Join Date
    Nov 2009
    Location
    Singapore
    Posts
    110

    Default Exhaust hose leak sealant?

    I have a water leak where the exhaust hose joins the water trap and at the exhaust elbow. Has anyone had success with using sealant at this point? If so what was it?
    Thanks

  2. #2
    Join Date
    Sep 2001
    Location
    Me - Zumerzet Boat - Wareham
    Posts
    11,754

    Default Re: Exhaust hose leak sealant?

    Is it on the hose clips or on the pipe after the clips?
    MontyMariner.co.uk
    Facilitated by AWESEM WP Agency

  3. #3
    Join Date
    Oct 2002
    Location
    Plymouth
    Posts
    8,198

    Default Re: Exhaust hose leak sealant?

    If I had to tackle that I would probably try car exhaust repair tape and put a couple of hose clamps over it. There is a lot of pressure in there so early replacement of the hose would be best. If it is by the elbow there is a chance this will have corroded and may need to be replaced.

    I once repaired a hose lower down and a casual lash up would not do it, the hose had to come off to be bodged properly with multiple wraps of heavy tape, wires, clamps etc.

  4. #4
    Join Date
    Apr 2018
    Location
    Mooring, Faro
    Posts
    1,118

    Default Re: Exhaust hose leak sealant?

    Leaking both ends would indicate wrong size of hose, not a job to be bodged with sealant.

  5. #5
    Join Date
    Jan 2004
    Location
    Bricks & mortar: Italy. Boat: Aegean
    Posts
    10,362

    Default Re: Exhaust hose leak sealant?

    Quote Originally Posted by Graham376 View Post
    Leaking both ends would indicate wrong size of hose, not a job to be bodged with sealant.
    +1, in both respects. Also significant safety implications, to both people and the vessel.
    All epigrams are false

  6. #6
    Join Date
    Nov 2009
    Location
    Singapore
    Posts
    110

    Default Re: Exhaust hose leak sealant?

    It is drips of water coming from under the hose

  7. #7
    Join Date
    Nov 2001
    Location
    scotland
    Posts
    3,207

    Default Re: Exhaust hose leak sealant?

    Quote Originally Posted by Polly1 View Post
    It is drips of water coming from under the hose
    So that makes it safer?

  8. #8
    Join Date
    Jan 2004
    Location
    Bricks & mortar: Italy. Boat: Aegean
    Posts
    10,362

    Default Re: Exhaust hose leak sealant?

    Quote Originally Posted by scottie View Post
    So that makes it safer?
    I think that if you read post #2, you'll see that Polly was simply answering a question.
    All epigrams are false

  9. #9
    Join Date
    Jun 2005
    Posts
    21,039

    Default Re: Exhaust hose leak sealant?

    Sikaflex
    If I'd wanted to live in a Banana Republic I'd have gone to South America.

  10. #10
    Join Date
    Jun 2001
    Location
    uk
    Posts
    2,265

    Default Re: Exhaust hose leak sealant?

    Double check there isnt a leak elsewhere. Stainless can perforate to an absolutely tiny holes

    Silicon hoses are difficult to get a good seal on without some sikkaflex. Was told to use this by Sabre engineer many many moons ago and has worked for me on hose to stainless and plastics. Dont overtighten clips either as they then cut through.
    David

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