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458 Coolant Leak

Discussion in 'Technical Q&A' started by SIMON RADCLIFFE, Feb 20, 2018.

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  1. SIMON RADCLIFFE

    SIMON RADCLIFFE Rookie

    Feb 16, 2018
    3
    Full Name:
    SORRENTINO
    #1 SIMON RADCLIFFE, Feb 20, 2018
    Hopefully someone can help with this because I've given up on the official dealer..?? When my 458 has been run or warmed up it is leaking coolant out of the breather pipe under the rear wheel. This is happening while in motion and after parking the car. A small deposit of coolant comes out of the overflow breather pipe until it has cooled back down.
    There is nothing obvious causing this and temperatures are normal..? I have to top up the expansion bottle on a regular basis to combat this..? Any answers
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  2. flash32

    flash32 F1 Veteran

    Aug 22, 2008
    7,074
    Central NJ
    Full Name:
    Dominick
    #2 flash32, Feb 20, 2018
    Are you referring to the overflow tube ? If so can it be as simple as a faulty pressure cap ?

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  3. SIMON RADCLIFFE

    SIMON RADCLIFFE Rookie

    Feb 16, 2018
    3
    Full Name:
    SORRENTINO
    #3 SIMON RADCLIFFE, Feb 20, 2018
    Yep it is the overflow tube but the coolant level is down to the minimum so I cant understand why it would be forcing coolant out of the tube..??
    Its definitely not over filled if anything under filled...??
     
  4. flash32

    flash32 F1 Veteran

    Aug 22, 2008
    7,074
    Central NJ
    Full Name:
    Dominick
    #4 flash32, Feb 20, 2018
    Sounds like the cap needs to be replaced ..

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  5. tbakowsky

    tbakowsky Two Time F1 World Champ
    Consultant Professional Ferrari Technician

    Sep 18, 2002
    20,034
    The Cold North
    Full Name:
    Tom
    #5 tbakowsky, Feb 20, 2018
    The coolant level is over full. The cap is doing its job. Let it bleed out. Do not top up the coolant and monitor. If it continues then look into replacing the cap.
     
    taz355 and f355spider like this.

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