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Banjo unions on Fuel pump

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    Banjo unions on Fuel pump

    Frustrating and expensive afternoon!
    what started as poor fuel supply has finished in my needing a new pump. Air was leaking in thru the input side banjo so I replaced with new plastic seals from a very small but excellent reputable supplier . They only supply these seals now preferring them to fibre.
    so fitted, one either side, nipped up and - thread stripped in pump body. Measuring the amount of thread engagement with the standard banjo + bolt + 2 seals revealed only one and half threads of engagement.
    banjo bolt measures 0.865” anyone got one they can measure quickly to see if this is correct or know of a longer banjo bolt that would fit that I could use as the pump body probably has 6-8 good threads beyond the stripped one.

    Alan

    #2
    Pmd you
    There are 2 secrets to staying on top :- 1. Don't give everything away.
    2.

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      #3
      Was it a plastic body pump, i stripped mine as well, now have a metal body pump

      Dave
      73 mk 1/2 now gone to the dark side BLUE

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        #4
        Originally posted by new to this View Post
        Was it a plastic body pump, i stripped mine as well, now have a metal body pump

        Dave
        Metal body Dave, stripped because banjo bolt only just engages in body thread

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          #5
          doesn't sound ideal, has the supplier offered any feedback on the issue.
          Stags and Range Rover Classics - I must be a loony

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            #6
            Alan. That banjo bolt sounds far too short to me. I reckon there should be around 1/2" of thread showing after fitting it to the union. I'm afraid I haven't got one lying around to measure.
            Mike.

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              #7
              it probably would do with fibre washers.

              i am unsure of the thread size but banjo bolts seem to be 20-22mm in european sizes
              Stags and Range Rover Classics - I must be a loony

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                #8
                0.865" in proper money, if not maybe a midge longer
                Stags and Range Rover Classics - I must be a loony

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