Radiator fans on '95 355 | FerrariChat

Radiator fans on '95 355

Discussion in 'Technical Q&A' started by RichardGilmore, Dec 30, 2003.

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  1. RichardGilmore

    RichardGilmore Karting

    Nov 9, 2003
    Atlanta, Ga.
    Full Name:
    Richard Gilmore
    My right side fan comes on whenever the thermostat gets to I think about 200 but the left side never seems to come on. Should I be worried? How to diagnose?
  2. vref

    vref Karting

    Dec 18, 2003
    1 Hr North of Housto
    Full Name:
    SD1 computer at a ferrari Dealer near you.

    Turn the airconditioning on and see if it comes on.
  3. Ferrari Fanatic

    Ferrari Fanatic Formula 3

    Apr 2, 2003
    I had the same problem. It ended up being the thermoswitch. Each fan has a seperate one. The left side is supposed to come on first, then the right side.
  4. tbakowsky

    tbakowsky F1 World Champ
    Consultant Professional Ferrari Technician

    Sep 18, 2002
    The Cold North
    Full Name:
    theses fans are also bad for seizing.
  5. ze_shark

    ze_shark Formula 3

    Jul 13, 2003
    Switzerland (NW)
    I think I have the same problem, frequent starts of the left fan. How much does the thermoswitch cost to replace ?
  6. Ferrari Fanatic

    Ferrari Fanatic Formula 3

    Apr 2, 2003
    I remeber it being right around $150. Realley easy to replace. The parts guy said he sold quite a few of them in the past. The right fan should come on at a higher temp or anytime the AC is on. The left fan should come on first (right around 185-190 degrees f.). The right fan should come on around 200 degrees F.
  7. Gregg Willhoit

    Nov 1, 2003
    Houston, Texas
    Full Name:
    Gregg Willhoit
    I've had the same problem twice. First time, it was the LH Radiator
    switch, 2nd time it was the LH Radiator fuse which is located in the
    passenger footwell fuse box. I live in Houston, and it is my opinion that
    the cooling system is a tad weak for this climate.


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