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Thread: NO oil pressure TD42 GU3

  1. #21
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    Thanks Turtle.
    I have the sump off. That gasket on the oil pick up is not in great shape but I will make a new one and put it back.
    Oil strainer is in great shape.
    I will follow your next step it sounds like a good method and proves the oil pump is pumping.
    Thanks very much for your input, I'm a sparky not a Mechanic but I can do a lot myself...

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  3. #22
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    I wish, No its clean and proven to be clear all the way up to the block pipe work.. I'm referring to the oil Pick up in the sump.!
    Last edited by Knibbventures; 15th February 2017 at 08:31 AM.

  4. #23
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    Re Build was done 2 years ago at Browns Plains BY Southern District Auto center on Tradlink south side of Brisbane.

  5. #24
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    My Car since re build has always had 2 Z503 filters.

  6. #25
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    Quote Originally Posted by Knibbventures View Post
    I wish, No its clean and proven to be clear all the way up to the block pipe work.. I'm referring to the oil Pick up in the sump.!
    Is oil getting up into the rocker cover area?

  7. #26
    Patrol God nissannewby's Avatar
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    Check all the piston squirters are in place and not damaged. There is also a squirter for the timing gears that needs to be in place.

  8. #27
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    Quote Originally Posted by Turtle_au View Post
    You have narrowed it down to 3 possible issues
    Oil Circuit shows Sump - Strainer - Pickup - Pump - Filters - Cooler - Engine
    Oil Pump relief valve is between pump and filter and drains straight back to sump.
    Oil Filter relief valve will bypass filter and send oil to cooler.
    1. No oil getting to pump - blocked oil strainer, air leak in oil pickup ( maybe where pickup tube bolts to block )
    2. Pump not pumping - drive failure, pump worn out, leaking seal or gasket.
    3. Pump output not getting to filters - Pump relief valve stuck open.

    Next step I would remove the oil pump relief valve housing completely. Disconnect the fuel solenoid wiring and crank the engine to see if you are getting oil there.
    Thanks Turtle_au.
    I have done what you suggested, removed the oil Pump relief valve.
    I got the wife to operate the Starter motor and after quite a while 30 seconds or more large volume of oil came squirting out.
    Prior to this I had the pick up tube with filter off and found that the gasket was in pretty poor shape where it bolts onto the block.
    I made a new gasket and applied Stag sealant to both sides bolted it up, re assembled.
    put the oil back in and immediately got 20 psi oil pressure on my gauge and no oil low pressure warning light so I'm very happy and relived.

    I'm thankful to all who have put there suggestion forward, its given me the strenghth to go on looking.

    As for the cause of all this grief well what can I say.
    You have to put your faith in people to do a good job especially in these mission critical areas.
    John Rooth says when he gets work done on his cars he crawls all over it to see that its been done wright.
    There is a limit to how far you can take that.
    I have found many gaskets that defiantly were not renewed when this re build was done, lets face it its so easy to do when you have the engine out.
    Very shoddy to put it back together without replacing the gaskets.
    See the fotos of the oil pick up flange. what would you think?


    Oil pick up flange ss.jpgOil pick up flange s.jpg

    Seems to have worked pictures are up.
    Looking decidedly crudy, remember this is supposedly after a professional rebuild...
    I haven't decided on the best form of action. I'm Thinking an artical in 4 Wheel drive action
    A snotty letter to Repco re the standards of there workshops flying there flag.
    I went through a case of very shoddy work done by ARB years ago which resulted in my car having no brakes after a Black Widow draws install.
    They substituted one bolt for a longer one resulting in my brake lines getting cut on the Gibb River road.
    I'm not to sure what to do.
    The advice I got from the people who did the work was cut the wire to the oil warning light.
    Its a good job these people don't work in Aviation...
    Last edited by Knibbventures; 20th February 2017 at 11:06 AM.

  9. The Following User Says Thank You to Knibbventures For This Useful Post:

    mudski (20th February 2017)

  10. #28
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    Last edited by Knibbventures; 23rd February 2017 at 09:39 AM.

  11. #29
    Patrol God mudnut's Avatar
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    Pics not working for me.
    My advice is: not to follow my advice.

  12. #30
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    Quote Originally Posted by Knibbventures View Post
    Attachment 71016Attachment 71017
    The detail of the oil pickup flange before fixing...
    attachment still not working.
    IF IT'S NOT A NISSAN.
    THEN IT'S A COMPROMISE

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