Ferrari 412 Oil Filter Base O-Rings | FerrariChat
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Ferrari 412 Oil Filter Base O-Rings

Discussion in '365 GT4 2+2/400/412' started by 360modena2003, Dec 19, 2021.

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  1. 360modena2003

    360modena2003 Formula 3

    Jul 11, 2009
    2,435
    #1 360modena2003, Dec 19, 2021
    Are the o-rings #25 and #26 the ones that can fail and cause oil/water mixture?

    Where are the water passages here?

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  2. Al Campbell

    Al Campbell Formula Junior
    Owner Silver Subscribed

    Nov 22, 2013
    581
    Australia
    #2 Al Campbell, Dec 19, 2021
    Yes 25 and 26 are the ones.
    Coolant flows around the outside of tubes 24 and 27 between o-rings 25 and 26 while oil flows through tubes 24 and 27.
     
  3. SouthJersey400i

    SouthJersey400i Formula 3

    Mar 14, 2007
    1,675
    Romulus, NY (Finger Lakes)
    Full Name:
    Ken Battle
    #3 SouthJersey400i, Dec 20, 2021
    Getting old tubes out is quite difficult, maybe less so if doing a rebuild. I did a homemade tool to use as a puller.
    Ken
     
  4. Tojo

    Tojo Formula Junior

    Apr 12, 2002
    499
    Sydney
    Full Name:
    Tim
    #4 Tojo, Dec 21, 2021
    Yes can be hard to get them out especially if they’ve been there forever. I bought a kit like this https://www.amazon.com.au/WINMAX-TOOLS-AUTOMOTIVE-Internal-Extractor/dp/B017XDLDDY and needed to grind down one of the pullers so it would go deep enough into the rear tube to get a grip on it


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  5. SouthJersey400i

    SouthJersey400i Formula 3

    Mar 14, 2007
    1,675
    Romulus, NY (Finger Lakes)
    Full Name:
    Ken Battle
    #5 SouthJersey400i, Dec 21, 2021
    Tojo
    Nice "kit". I had some similar bits but in any case they had to be modified to the the small. long hole you are working in.
    Ken
     
  6. Ashman

    Ashman Three Time F1 World Champ
    Owner Silver Subscribed

    Sep 5, 2002
    32,983
    MA
    Full Name:
    John
    #6 Ashman, Jan 2, 2022
    If you decide to change them yourself, keep very good track of which part number goes in each position. Once they are out of the bag, it was basically impossible for me to tell visually which was which and it matters.
     
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  7. 360modena2003

    360modena2003 Formula 3

    Jul 11, 2009
    2,435
    #7 360modena2003, Jan 2, 2022
    Great, thank you.

    I will take many pictures and post them to keep track.

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  8. wrxmike

    wrxmike Moderator
    Moderator Owner

    Mar 20, 2004
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    Mike
    #8 wrxmike, Jan 2, 2022
  9. SouthJersey400i

    SouthJersey400i Formula 3

    Mar 14, 2007
    1,675
    Romulus, NY (Finger Lakes)
    Full Name:
    Ken Battle
    #9 SouthJersey400i, Jan 3, 2022
    The tread above has a nice picture of a homemade tool similar to what I used.
    Ken
     
    360modena2003 likes this.

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