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DIESEL FUEL TANK LEAK

Discussion in 'Carver Yacht' started by Mike Michaels, May 17, 2019.

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  1. Ormond Bert54, Jul 18, 2019
    #21
    Ormond Bert54

    Ormond Bert54 Senior Member

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    Ormond Beach, FL
    I have a pair of aluminum 300 gal fuel tanks in the engine room of my Bertram 54. They deserve closer inspection. I have observed only minor corrosion in the past. I sprayed them with corrosion block.
  2. Pascal, Jul 18, 2019
    #22
    Pascal

    Pascal Senior Member

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    Miami, FL
    Corrosion usually starts from the inside out, at the bottom from water accumulating at the bottom. Or from the outside if the tank ate set on plywood.

    I hate alum diesel tanks, most are a ticking time bomb
  3. Jnicholas, Oct 15, 2020
    #23
    Jnicholas

    Jnicholas Member

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    Long beach ca
    I know I’m late to the party on this thread but have related question. I have twin aluminum tanks in my 2000 450 voyager. No leaks a little dusty on top as they are quite close to deck above. I keep tanks relatively full, with additive to help keep diesel clean. No inspection port so do I just wait for leak to develop or can I be proactive to extend tanks life?
  4. Capt J, Oct 15, 2020
    #24
    Capt J

    Capt J Senior Member

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    There's not much you can do to extend the tanks life short of rinsing any salt off of the outside and keeping good o-rings on your fuel fill caps to prevent water inside of them.
  5. Capt Ralph, Oct 15, 2020
    #25
    Capt Ralph

    Capt Ralph Senior Member

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    Ensure the bottoms of the tanks stay dry also. Water can collect behind and under the tank and start eating them up from the outside.
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