355 running hot, simple temp fix | FerrariChat
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355 running hot, simple temp fix

Discussion in '348/355' started by butch355, Aug 21, 2007.

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  1. butch355

    butch355 Karting

    Jan 27, 2005
    114
    Denver
    Full Name:
    Brent
    #1 butch355, Aug 21, 2007
    So my 355 was running hot when stoppedl. I drove down to the dealership and asked what can I do, the thing is over 190 and near the red when sitting for more than 1 minute. They told me come back tues to look at it. No advice, fuses, quick fix anything.

    Driving home mad I decide to turn on the AC since that might force the fans on since its on a different system than the temp fans.

    BOOM, the fans turn on and car runs at perfect temp. The story gets better, I get home turn off the car and resart it with AC off and now the fans work like normal!!

    Hope this helps out someone with the fan issue!!
     
  2. ForzaMaranello

    ForzaMaranello Karting

    Jul 15, 2006
    234
    Louisville CO.
    Full Name:
    Robert T
    #2 ForzaMaranello, Aug 21, 2007
    Sounds like a sticky relay possibly?
     
  3. Agent_355

    Agent_355 Karting

    May 13, 2007
    170
    Richmond Hill, Ont
    #3 Agent_355, Aug 22, 2007
    Copy that, just remember it ran hot for a reason. You got lucky and got home but there is still a problem, it is just imtermittent. I second the opinion above since I believe the temp probe for the gauge is the same one that turns the fans on so it most likely is good. If I remember correctly the relay is behind the passenger footboard (your manual should tell you for sure). Cheap part to replace so might as well.
     
  4. gothspeed

    gothspeed F1 World Champ

    May 26, 2006
    10,244
    U.S.A.
    Full Name:
    goth
    #4 gothspeed, Aug 22, 2007
    There is a $20 dollar thermal switch that triggers the LH fan relay in non AC mode. It is located on the top of the LH radiator. Easily acessible by removing the rear wheel well liner.
     

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