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430 Oil leak

Discussion in '360/430' started by nige1, Jul 12, 2021.

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  1. nige1

    nige1 Rookie

    Jun 6, 2004
    40
    London
    #1 nige1, Jul 12, 2021
    A small puddle of oil has appeared on the garage floor under the rear of engine or might be the gearbox. Happened twice after long drives. Engine oil level not noticeably changed. Hard to see the source with out a lift. Possibly a seal or oil line connection leak. Is this a know issue? 2007, 30k miles, well maintained. Any comments welcomed.
     
  2. Extreme1

    Extreme1 Formula 3

    Jun 27, 2017
    1,423
    Santa Clarita, CA
    #2 Extreme1, Jul 12, 2021
  3. mike32

    mike32 F1 Veteran

    May 13, 2016
    5,960
    Isle of man- uk
    #3 mike32, Jul 12, 2021
    I had a leak and traced to engine oil filter seal leaking after annual, a lot was lying on the inside of the diffuser, made a mess of everything as fine film on everything . Drop the diffuser and you will be able to see most things
     
  4. RedNeck

    RedNeck F1 World Champ
    Silver Subscribed

    Jul 8, 2016
    12,286
    The CSA
    Full Name:
    Me
    #4 RedNeck, Jul 12, 2021
    Not nearly enough info to even start to diagnose. Problem is, because of the rear belly pan your leak could be anywhere but has to travel to one of the holes before it hits the garage floor. Identify what kind of fluid it is or get it up in the air. If it smells like rubberized dog crap it's gearbox oil.
     
  5. one4torque

    one4torque F1 Veteran
    Silver Subscribed

    May 20, 2018
    5,720
    Houston
    Full Name:
    One4torque
    #5 one4torque, Jul 12, 2021
    Agree w red body part-

    put on a lift or jack stands pull under belly pan and visually look for source of leak….

    gl
     
  6. nige1

    nige1 Rookie

    Jun 6, 2004
    40
    London
    #6 nige1, Jul 13, 2021
    thanks for all your suggestions, I will investigate & report back!
     
  7. nige1

    nige1 Rookie

    Jun 6, 2004
    40
    London
    #7 nige1, Aug 2, 2021
    Fixed! It was a minor gearbox oil leak. Yes, the oil does smell nasty! A small rubber "O" ring seal had failed. Located behind a small cover, at the bottom left hand rear corner of the gearbox, viewed from behind the car. Not a common fault but quickly diagnosed & repaired by AV Engineering in Kent. Now back on the road!
     
  8. fstbiker

    fstbiker Formula Junior

    Jun 28, 2012
    509
    New Jersey
    #8 fstbiker, Aug 4, 2021
    do you have a pic of the location?
     
  9. John_K_348

    John_K_348 F1 Rookie

    Sep 20, 2013
    2,753
    Boston, MA
    Full Name:
    John E. Kenney
    #9 John_K_348, Aug 4, 2021
    That sounds suspiciously like the gear oil tube screen cover. Bumper must be removed or drilled to pull the tube screen out. I am planning to drill mine this month when I clean it. Grommets ready to go.
     
  10. nige1

    nige1 Rookie

    Jun 6, 2004
    40
    London
    #10 nige1, Aug 5, 2021
  11. nige1

    nige1 Rookie

    Jun 6, 2004
    40
    London
    #11 nige1, Aug 5, 2021
    See photo for location of the leak.


    Sent from my iPhone using FerrariChat
     

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