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Thread: 4BD1 into 88 Range Rover

  1. 16th November 2008, 03:43 PM #1
    The Mutt Guest

    Unhappy 4BD1 into 88 Range Rover

    We took a 4BD1 from a Landie to put into our 1988 Rangie, while we had the motor out I removed the front cover and plate to replace it with one that had mounts for the power steering pump, we also found the injector pump alignment was a couple of teeth out on the gearing timer marks (injection pump gear, idler gear, crank shaft gear and cam shaft gear) we lined them up to the settings as per manual.

    Now the motor is back together and installed in the Rangie with turbo installed, today we hit the start, after a few attempts the motor started and immediately stopped, we removed the crossover from the turbo to the inlet manifold and sprayed Aerostart the motor ran while I continued spraying but stopped as soon as I stopped spraying. Next time we started the motor holding the throttle linkage fully opened, as soon as the throttle started closing the motor stopped.

    We then checked the injector pump timing, it is 8 deg BTDC, the manual spec said 13 deg BTDC.

    Any ideas where to look?


    Glenn
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  2. 16th November 2008, 03:57 PM #2
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    justinc
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    Hey Mutt, did you remove the fuel pump from the tank? The lift pump WON'T suck through the EFI pump. I had the same problems with mine. I just removed the pickup etc, and took the pump out and added a tube with gauze filter in it's place.

    JC
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈
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  3. 16th November 2008, 06:11 PM #3
    Dougal
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    Throw the aerostart away.

    With the engine at TDC, can you see the injector pump gear timing mark through the window in the timing case?
    I suspect the couple of teeth out which you "fixed" is now the problem.
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  4. 16th November 2008, 08:10 PM #4
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    rovercare
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    Quote Originally Posted by Dougal View Post
    Throw the aerostart away.

    With the engine at TDC, can you see the injector pump gear timing mark through the window in the timing case?
    I suspect the couple of teeth out which you "fixed" is now the problem.
    Either that or its not bled properly/sucking through a blockage

    Aerostart IS fantastic stuff, but not for your 4BD1
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  5. 16th November 2008, 08:33 PM #5
    The Mutt Guest
    The fuel pump has already been removed from the tank, the tests we did today were done with a full 10 litre fuel tank in the right hand battery holder and two long fuel lines pushed into the tank over half way, the fuel line was primed to remove the all the air not just a few pumps of the handle, I kept pumping for a while after I felt pressure while pumping.

    Glenn
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  6. 16th November 2008, 08:40 PM #6
    The Mutt Guest
    Almost forgot, the teeth out was the injector pump gear, I corrected as per instructions in the manual so all the alignment marks lined up in the inspection ports, should I put it back to how it was?

    Glenn
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  7. 16th November 2008, 08:42 PM #7
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    rovercare
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    Do you know where the pump timing was originally?

    Put it back where it was

    Is the EDIC definately operating correctly?, maybe drop the cable off and see if it runs then?
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  8. 16th November 2008, 08:55 PM #8
    The Mutt Guest
    Nothing other than the injection pump gear has been moved, the motor worked fine before in the donor Landie thou it did sound rough, the EDIC (I think that's the white bag I put on the right hand wheel arch) pushes out the arm on the injector pump until it gets a bit of slack in the wire.

    Glenn
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  9. 16th November 2008, 09:00 PM #9
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    rovercare
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    Quote Originally Posted by The Mutt View Post
    Nothing other than the injection pump gear has been moved, the motor worked fine before in the donor Landie thou it did sound rough, the EDIC (I think that's the white bag I put on the right hand wheel arch) pushes out the arm on the injector pump until it gets a bit of slack in the wire.

    Glenn
    It actually pulls it back to stop it

    Change the timing back then, then spill time it from there
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  10. 16th November 2008, 09:06 PM #10
    The Mutt Guest
    My EDIC pushes the arm towards the rear of the motor when it is engaged, and pulls the arm towards the wheel when off.

    Sorry I'm not a diesel mechanic, what is "spill time"

    Thanks for being patient with me.


    Glenn
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