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512 BBi no oil pressure

Discussion in 'Boxers/TR/M' started by Racing-Baker, Sep 1, 2020.

  1. Racing-Baker

    Racing-Baker Karting

    Jan 11, 2008
    215
    Beveren Leie
    Full Name:
    Enzo Duquesnoy
    Hi

    I'm finished with my cosmetical rebuild and new gaskets etc. On a 1983 BBi who sat for 20 years.
    But with startup I have no oil pressure.
    I tested 2 sensors and I know the gauge works perfectly (tested).
    Is there a procedure on startup to pump up the oil?
    Now I have started the car for 4 times ans about 10sec each time. I'm scared to try again.

    I had the front cover off the engine to replace the gasket and the engine from the gearbox but I can't think I did something wrong there?

    Thanks
    Enzo
     
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  3. Racing-Baker

    Racing-Baker Karting

    Jan 11, 2008
    215
    Beveren Leie
    Full Name:
    Enzo Duquesnoy
    c4b4the04 and turbo-joe like this.
  4. turbo-joe

    turbo-joe F1 Veteran

    Apr 6, 2008
    6,452
    southwest germany
    Full Name:
    romano schwabel
    good that you solved the problem
    but kick your helper out
     
  5. theunissenguido

    theunissenguido Formula 3
    Silver Subscribed Owner

    Jan 21, 2004
    1,625
    Argent/Brasil
    Full Name:
    Micheal Jordan
    Effe paniek in de barak !! Good you find it before worse things happend...
     
  6. Zeff

    Zeff Formula Junior

    Oct 8, 2018
    575
    Cupertino, Ca
    Full Name:
    Ryan
    Was there silicone there when you removed the front cover. If so check the oil sump and see if you see any silicone debri. Just happened to me on my major service.
     
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  8. mexicruiser

    mexicruiser Karting
    Silver Subscribed

    Aug 28, 2012
    126
    25oN 100oW
    Full Name:
    Jon Brinckmann
    Very scary! For this very reason I try to always pre oil engines before restarting after surgery, cranking without plugs.
     
    turbo-joe likes this.
  9. turbo-joe

    turbo-joe F1 Veteran

    Apr 6, 2008
    6,452
    southwest germany
    Full Name:
    romano schwabel
    I do the same even when the engine was not running more than 1 year.

    I remember a big tank transporter ( nearly 100 tons loaded, 30 ltr diesel, 8 cylinder from MTU ) I was driving during military time. when starting you always had to push the "engine off switch" until you see at the gauge that there is oilpressure and only then you could release this switch and the engine starts then.
     
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