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GXi-F Volvo low fuel pressure pump replacement possible?

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  • GXi-F Volvo low fuel pressure pump replacement possible?

    My low pressure pump is noisy and it’s had a couple hard starts every once in awhile. I’m having it serviced at a shop and he is saying to replace the whole fuel pump kit assembly. He said my pressure and vacuum checks out on both high/low pumps, but to be aware it could give out anytime. The pump assembly is upwards of $800. I found some low pressure pumps online but the shop says the way the assembly works, you can not replace just the low pressure pump. You can the high pressure but not the low...

    any one have some invite on this? Is the low pressure pump replaceable?

    I found this along with some others

    MOSTPLUS Low Pressure Fuel Pump for VOLVO PENTA 4.3/5.0/5.7 GXI injection 21608511 https://www.amazon.com/dp/B07GJF9XK4..._b2LNDbS7GRXTT

  • #2
    shop says the way the assembly works, you can not replace just the low pressure pump
    That's funny in a bad way

    If the low pump is working and does have correct suction (which isn't much) then it may not be the pump, might be the antisiphon valve, collapsing fuel line, tank pickup

    The question to ask which I have found none will ever agree to: I the pump assembly is replaced, do you guarantee the work, and if so for how long?

    Never found one to get past the first guarantee, much less any length of time
    94 Formula 27PC Custom 509MPI MEFI3 , B3 XR
    95 Rinker 232 w/ 7.4L Carb 0F425011 B1 0F486471
    07 Seadoo GTX
    Merc Adults Only VP Adults Only
    G-Dad always said "First Liar doesn't stand a chance"

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    • #3
      And HP pump is not that much either
      https://www.amazon.com/Volvo-Pressur.../dp/B074F1CBY2

      And here is the whole pump
      https://www.amazon.com/FUEL-PUMP-***...VZP6CHEPGY6F6F
      94 Formula 27PC Custom 509MPI MEFI3 , B3 XR
      95 Rinker 232 w/ 7.4L Carb 0F425011 B1 0F486471
      07 Seadoo GTX
      Merc Adults Only VP Adults Only
      G-Dad always said "First Liar doesn't stand a chance"

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      • #4
        I would refurbish it myself, I did. It`s not difficult. You can clean the insides and replace what need replacing. I have also noticed that you can buy knockoff replacement pumps on ebay much cheaper than OEM.
        Summer Fling-II
        2008 Chaparral Sunesta 264
        Summer Fling
        2003 Chaparral Sunesta 243

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        • #5
          Might this have relevance to the flaking paint issue we see on the same mercruiser engine ? Or is that only a merc issue ?

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          • #6
            Does anyone know of any instruction or videos on refurbishing the pump?

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            • #7
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              Originally posted by bhollehday View Post
              Does anyone know of any instruction or videos on refurbishing the pump?
              https://mancavemechanic.com/

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