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Thread: 300 tdi lift pump bypass

  1. 24th May 2013, 09:13 AM #1
    Stacks
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    300 tdi lift pump bypass

    Hey guys, I went to start the disco last night no go so I removed the hose going to the filter cranked the motor and I had no fuel pumping so I guess the lift pump is shot.

    I tried gravity feeding the bosch unit and it fired up straight away, I want to install an electric pump so the question is whats the best way to bypass the lift pump.

    I've only had a quick look in the dark last night is the plastic hose okay to cut and sleeve over with rubber hose and clamp or should I remove the pipes from the pump and use barb fittings?

    I will be having a proper look this afternoon just enquiring so I can get parts on the way home.

    Cheers
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  2. 24th May 2013, 09:47 AM #2
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    steveG
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    Just cut the plastic hose and clamp rubber hose over the top.
    Definitely works fine on suction and return lines as thats what I have on my County.

    Haven't actually tried it on a pressure line, but I'd expect it to be OK as it will only be with low pressure (5psi ?). If that concerns you make the rubber hose a bit longer and put 2 hose clamps on it.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive
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  3. 26th May 2013, 10:27 AM #3
    Stacks
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    Cheers mate I folllowed your advice after work took about 40mins and she fired straight up, ive got a small leal from the seal on the fuel filter now most probably britpart quality seal related as its only a 4psi pump
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  4. 26th May 2013, 01:46 PM #4
    Blknight.aus's Avatar
    Blknight.aus
    Blknight.aus is online now RoverLord Vendor
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    dont forget to fit a loop hose to the mechanical fuel pump.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
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  5. 26th May 2013, 04:55 PM #5
    Stacks
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    I just looped a rubber hose from both outlets on the old pump fully bypassing it. Or is it better to still go through the old pump?
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