F355 Engine gets hot in long ques | FerrariChat
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F355 Engine gets hot in long ques

Discussion in '348/355' started by Klas, May 21, 2017.

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  1. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
    Gothenburg, Sweden
    Full Name:
    Klas Nilsson
    #1 Klas, May 21, 2017
    Standing almost still idling in a longlasting que is not what my engine likes. Water temp goes up over the psychological 12 o'clock position. When driving all is ok, but in long ques... not. Anyone experiencing similar?
     
  2. Pangea

    Pangea Formula Junior

    Mar 27, 2011
    442
    UK
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    Nick
    #2 Pangea, May 21, 2017
    Check both your cooling fans are working. Had similar and the left hand fan had failed.
     
  3. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
    Gothenburg, Sweden
    Full Name:
    Klas Nilsson
    #3 Klas, May 21, 2017
    I suspect my left fan too as it did not run today even if engine was hot. The right run like a maniac.
     
  4. GerryD

    GerryD Formula 3

    May 5, 2010
    2,444
    North of TO
    Full Name:
    Guido
    #4 GerryD, May 21, 2017
    Check the fuse in the passenger footwell. There is a fuse for each fan. If its gone, replace it and start shopping for a new fan as yours is creating resistance and will soon do damage to that same fuse box. If the fuse is ok, check the sensor on the top of the radiator.
     
  5. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
    22,620
    The Brickyard
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    The Bad Guy
    #5 ernie, May 21, 2017
    I would also re-bleed the cooling system to make sure there isn't any air in it.
     
  6. DaisyCutter

    DaisyCutter Formula Junior

    Jul 15, 2014
    255
    Sweden
    Full Name:
    Dayan
    #6 DaisyCutter, May 22, 2017
    Klas,

    Check the temp sensor to the RHS of the oil filter (pale blue colour) as well as the temp sensor on the top of the LHS radiator first. I had the same issue and sorted it relatively inexpensively.

    Tjolohölm queues will test a cooling system ;)

    Dayan.
     
  7. Robbe

    Robbe Formula Junior
    Silver Subscribed

    Aug 22, 2013
    622
    The Netherlands
    #7 Robbe, May 22, 2017
    The temp switch on top of the LHS radiator is a Fiat Ritmo 75 series 1, and Opel(Vauxhall) Calibra 2.0 part, any car part shop can order it for around 15 euro.
     
  8. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
    Gothenburg, Sweden
    Full Name:
    Klas Nilsson
    #8 Klas, May 22, 2017
    Thanks for good advices. Should both fans always run together? Acc. to owners manual I read it like that. If so, it should mean that if the LH fan does not run when the RH does, then it's the LH fan that fails.
     
  9. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
    Gothenburg, Sweden
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    Klas Nilsson
    #9 Klas, May 23, 2017
    ...if the LH fan fuse is ok of course.
     
  10. Ferrari Fanatic

    Ferrari Fanatic Formula 3

    Apr 2, 2003
    1,317
    SoCal
    #10 Ferrari Fanatic, May 23, 2017
    Last edited by a moderator: Sep 7, 2017
    If it does end up being your LH fan ( mine was bad ), then you can source them for pretty cheap. It's a generic fan and there are a ton of old threads on the part number.

    Installation is less than 45 minutes taking your time. Just need to remove LH rear wheel and fender liner. Would be best just to replace both. You will be amazed how much smoother and how much more air the new non-worn out fans push compared to the 20 year old worn out parts.
    Image Unavailable, Please Login
     
  11. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
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    Klas Nilsson
    #11 Klas, May 23, 2017
    Looks easy. Any advice of replacement fan supplier with the right electrical connector socket? Btw, both my 30A fuses are ok. Just checked them.
     
  12. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,285
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    Brian Crall
    #12 Rifledriver, May 23, 2017
    No. They switch on at different temperatures.
     
  13. Ferrari Fanatic

    Ferrari Fanatic Formula 3

    Apr 2, 2003
    1,317
    SoCal
    #13 Ferrari Fanatic, May 23, 2017
    I got mine from the Fan Man in Southern California. It's a Spal fan.
     
  14. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
    Gothenburg, Sweden
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    Klas Nilsson
    #14 Klas, May 23, 2017
    Ok, but how is that possible with only one temp switch in the system?
     
  15. taz355

    taz355 F1 Veteran
    Owner Silver Subscribed

    Feb 18, 2008
    6,044
    Indio Ca/ Alberta
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    Grant
    #15 taz355, May 23, 2017
    Two. Temp switches it shows on work shop manual.
    One on lh rad other rhs of oil filter.
     
  16. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
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    Klas Nilsson
    #16 Klas, May 26, 2017
    Good, and is it the same connector type? Just plug-n-play?
     
  17. 8500rpm

    8500rpm Formula Junior

    May 20, 2014
    546
    San Francisco Bay
    Full Name:
    Chan
    #17 8500rpm, May 26, 2017
    The left fan is triggered directly by a thermal switch.

    The right fan is controlled by the ECU, which sees coolant temperature from a different thermistor.

    If your fans are original and have failed, replace them with SPAL P/N 30102050 which has the updated sealed motor. SPAL sells them directly, but The Fan Man may have them for cheaper.
     
  18. Robbe

    Robbe Formula Junior
    Silver Subscribed

    Aug 22, 2013
    622
    The Netherlands
    #18 Robbe, May 26, 2017
    Yes, it is the same. plug and play (most important is to check the temp range. Others will look the same, but have a higher temp range. The described one is identical) .
    You only need to remove the Left rear wheel, remove the part of the inner wheel well (4 screws) and then you have direct acces to the radiator. The switch sits on top. You will need a medium size open wrench to unscrew it (forgot the size, like 25 mm or so), but it normally is not screwed very tight.
     
  19. V8ray

    V8ray Formula Junior

    Jun 18, 2013
    251
    Full Name:
    Ray
    #19 V8ray, May 26, 2017
    Last edited by a moderator: Sep 7, 2017
  20. Klas

    Klas Formula Junior

    Mar 17, 2014
    364
    Gothenburg, Sweden
    Full Name:
    Klas Nilsson
    #20 Klas, Jun 4, 2017
    Cured my problem yesterday with the late start of the left fan. It was the temp. switch. Now the fan goes on as intended.
     
  21. DaisyCutter

    DaisyCutter Formula Junior

    Jul 15, 2014
    255
    Sweden
    Full Name:
    Dayan
    #21 DaisyCutter, Jun 4, 2017
    Good to hear. A cheap fix!
     

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