Mondial T pressurized gas tank | FerrariChat

Mondial T pressurized gas tank

Discussion in 'Mondial' started by Rogern, Jan 4, 2018.

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  1. Rogern

    Rogern Rookie

    Feb 8, 2015
    6
    Norway
    Full Name:
    Roger
    Hello.
    Hopefully someone can help, does anyone know what can cause this. Is some vent blocked somewhere?
    Car is a euro 1989

     
  2. stekkefun4

    stekkefun4 Formula 3
    BANNED

    Nov 22, 2006
    2,232
    Belgium - Europe
    Yes, it's a valve that is stuck that may cause this, namely part nr 139568 located on the top left side of the engine compartment, take it out, spray some WD40 in it and shake it until you can hear a ball ticking again while shaking.
     
  3. Rogern

    Rogern Rookie

    Feb 8, 2015
    6
    Norway
    Full Name:
    Roger
    Thanks for your answer, i will check it out.
     
  4. Allen S.

    Allen S. Formula Junior

    Mar 16, 2001
    512
    Morgan Hill, CA
    Full Name:
    Allen / AKA tCoupe
    I had the same issue and at one point is was difficult to loosen the fuel cap due to the pressure behind. Took a look at the "turnover valve" and yes, the valve had failed. Could not blow air through the direction needed. Replaced it and all good now for the last several years. Easy fix.
     

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