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Thread: Accumulator & fuel hoses question

  1. #1
    DeLorean owner since 2011 Stainless's Avatar
    Join Date:  May 2011

    Location:  Syracuse, UT

    Posts:    635

    My VIN:    2087

    Accumulator & fuel hoses question

    Man oh man. I'm finally going to be giving my car some overdue attention. I've had a hard start problem I've been failing to address for several years.

    I am going to replace the accumulator, which I believe to be original, or at least super old. I may have multiple issues contributing to my hard starts, but the accumulator appears to be a major contributor. Also, the flexible hoses on the accumulator all appear to be trash. I've read several threads of some adventures and mishaps with this replacement job, and one common theme is that I should replace both flex lines now.

    IMG_20200907_175610.jpg

    Are these two hoses the right parts, and if so, is DMCH the best source? I already have a new accumulator in hand.

    https://store.delorean.com/p-6545-fl...fuel-hose.aspx

    https://store.delorean.com/p-6512-ho...-rtn-feed.aspx
    Jared L.

    June '81, manual, black inter. VIN 2087
    Other cars: 2012 Toyota Sienna, 2007 Mazda 6, 1999 Jeep Cherokee
    DeLorean blog: http://deloreanblog.blogspot.com/

  2. #2
    Senior Member
    Join Date:  Jan 2019

    Posts:    255

    Yikes! The outer sheathing on that one hose has disintegrated away. You can just use standard fuel injector line like this: https://www.rockauto.com/en/moreinfo...=3861654&jsn=3

  3. #3
    Senior Member
    Join Date:  Jun 2011

    Posts:    4,808

    My VIN:    3937

    Another option, includes new clamps on each end.

    Note it is the same hose and clamps for the two flexible lines up at the pump. Same hose, same clamps, same pressure rating, just different part numbers.

    https://www.deloreango.com/ca/flexib...cumulator.html

    https://www.deloreango.com/ca/fuel-h...-and-feed.html

    The high pressure rating is overkill for the relief line off the back of the accumulator as well as the return line up at the pump/tank. That line has very little pressure in it. It's easy enough to just put the same high pressure hose in all four spots though. And if you order them all at once, you'll get them thrown into the same bag so you won't know which one was meant to be which anyway. So there you go.


    Sept. 81, auto, black interior

  4. #4
    DeLorean owner since 2011 Stainless's Avatar
    Join Date:  May 2011

    Location:  Syracuse, UT

    Posts:    635

    My VIN:    2087

    Quote Originally Posted by Jonathan View Post
    Another option, includes new clamps on each end.

    Note it is the same hose and clamps for the two flexible lines up at the pump. Same hose, same clamps, same pressure rating, just different part numbers.

    https://www.deloreango.com/ca/flexib...cumulator.html

    https://www.deloreango.com/ca/fuel-h...-and-feed.html

    The high pressure rating is overkill for the relief line off the back of the accumulator as well as the return line up at the pump/tank. That line has very little pressure in it. It's easy enough to just put the same high pressure hose in all four spots though. And if you order them all at once, you'll get them thrown into the same bag so you won't know which one was meant to be which anyway. So there you go.
    Love this. I like the hose clamp style that's included with those hoses too. I'll be ordering this today. Thanks!
    Jared L.

    June '81, manual, black inter. VIN 2087
    Other cars: 2012 Toyota Sienna, 2007 Mazda 6, 1999 Jeep Cherokee
    DeLorean blog: http://deloreanblog.blogspot.com/

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