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Fuel pump pulley nut - Left or Right Thread?

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  • #1

    Fuel pump pulley nut - Left or Right Thread?

    Hi trying to remove EFI 2.4 fuel pump and can not undo pulley/gear nut to release fuel pump. Gave it some welley and there was a loud clunk, gave it some more welley and another loud clunk then noticed fuelpump pully was not in line with top & bottom crankshaft pulley timming marks. Crankshaft nut undone with force but not this one ,before i try again is it anticlockwise or clockwise to UNDO fuelpump pulley nut?

    After servicing fuelpump (if i get it out) i want to replace cam tensioner as bearing is noisey, what way is that thread?
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  • #2
    There's no reason for it to be a left hand thread.
    Do you know that, with a 50 character limit, it's

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    • #3
      Originally posted by Albannach View Post
      There's no reason for it to be a left hand thread.
      Thats what i thought, but when searching the forum i found a post where i think it was Tonyn saying it was a oppersite thread. But now i cant find that post no matter what keywords i use. Maybe i was dreaming it - it is late and the beer has kicked in. Have you got any suggestions as to how to undo said nut?

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      • #4
        It's anticlockwise , the pully is tight lock it up (using a bar against the engine through the pully) and use a breaker bar
        ' You've arrived on a rather special night. It's one of the master's affairs.'

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        • #5
          Cheers Bio ,that was a tough nut to crack but now done.

          So pump is out and i have the RoughTrax pump seal kit in front of me. A lot of seals ,do they all need to be replaced or are there extra seals in kit to compliment all versions of pump. I have the PDF file of the exploded view but its just not clear enough. Any one got a better diagram or remember how many seals must be replaced to ensure pump will last another 15 years without being serviced again. As i do not want to try this job again

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          • #6
            i ain't been in there ...........stein did once and.............i think he regretted it , where is the leak?
            ' You've arrived on a rather special night. It's one of the master's affairs.'

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            • #7
              It was leaking from the top (4 allen key cover) ,and i replaced last month including top O ring. Thought easy job and all was well until last weeks MOT when pump started leaking from block side. I reckon after fixing the pressure just found the next weakest seal and popped that. So i thought i would do it properly and do all the seals.

              Milners Kit
              http://www.hiluxsurf.co.uk/forums/at...1&d=1239559760

              RoughTrax Kit
              http://www.hiluxsurf.co.uk/forums/at...1&d=1239559760

              Exploded Pump Diagram (what numbers MUST be changed)
              http://www.hiluxsurf.co.uk/forums/at...1&d=1239559760
              Attached Files

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