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355 coolant tank cap

Discussion in '348/355' started by Carmellini, Feb 10, 2021.

  1. Carmellini

    Carmellini Formula Junior

    Jul 16, 2019
    434
    #1 Carmellini, Feb 10, 2021
    My cap looks fine, and when I unscrew I feel pressure. Seems fine? However, I keep seeing blue coolant residue on the visible threads. Wipe it off clean, and few days later, its back. If the cap was cracked there wouldn't be any pressure build up? Not loosing coolant and temps are good.

    Are these plastic caps consumables? Perhaps there is something pressure related inside the cap. The hose looks good and I don't believe its leaking at that point.
     

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  2. Qavion

    Qavion F1 Rookie
    Silver Subscribed

    Feb 20, 2015
    4,864
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    Ian Riddell
    #2 Qavion, Feb 10, 2021
    flash32 likes this.
  3. Carmellini

    Carmellini Formula Junior

    Jul 16, 2019
    434
    #3 Carmellini, Feb 10, 2021
    I see 145030 is for modern Ferrari like Portofino and 329417 is for 355. Is this a supersession or upgrade?
     
  4. Qavion

    Qavion F1 Rookie
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    #4 Qavion, Feb 10, 2021
    One type fits all (almost)

    Less than 20 left in May 2020... You may be too late.
     
  5. Carmellini

    Carmellini Formula Junior

    Jul 16, 2019
    434
    #5 Carmellini, Feb 10, 2021
    just sent a PM

    assuming this solved your problem?
     

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  6. Qavion

    Qavion F1 Rookie
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    #6 Qavion, Feb 10, 2021
    yup :)
     
  7. Qavion

    Qavion F1 Rookie
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    Feb 20, 2015
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    #7 Qavion, Feb 10, 2021
    Unfortunately, we discovered that Joel has run out of tank caps. I guess the usual stockists and usual prices apply. :(
     
  8. johnk...

    johnk... F1 Veteran
    Owner

    Jun 11, 2004
    8,474
    New England/FL
    #8 johnk..., Feb 11, 2021
    If you are not loosing coolant it's not a problem.
     
  9. Carmellini

    Carmellini Formula Junior

    Jul 16, 2019
    434
    #9 Carmellini, Feb 11, 2021
    Sorry to have missed out on Joel's caps; great deal.....

    Anyone have any idea if the 145030 cap is better than the original number 329417. Same 1.0 bar,
    and same threads, but 030 cap is $20 more?
     

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  10. drbob101

    drbob101 F1 Rookie
    Owner

    Nov 26, 2012
    3,762
    Tinton Falls, NJ
    Full Name:
    Bob Ferraris
    #10 drbob101, Feb 18, 2021
    Brian Crall used to talk about caps being a regularly replaced item.
     
  11. johnk...

    johnk... F1 Veteran
    Owner

    Jun 11, 2004
    8,474
    New England/FL
    #11 johnk..., Feb 18, 2021
    There is a simple reason coolant can collect in the treads of the tank.
     

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