406 radiator fan runs on

Discussion in 'Peugeot 406' started by Juper Wort, Oct 25, 2004.

  1. Juper Wort

    Juper Wort Guest

    HI
    1999 406 2.0


    Radiator fan ran on after car turned off. Battery ran flat.
    I had to disconnect battery every time i parked.
    did a 50 mile run, didn't help. Engine temp didn't go above 90 on the dash
    guage.
    A bit of fiddling about, squashed a few hoses to maybe move an air bubble,
    removed a couple of leaves.

    Now seems ok.

    Should i be looking for a thermostat, if so, where is it.
    Would alot of rain & puddles mabe cause a short in a sensor somwhere ?

    maybe someone could help.
     
    Juper Wort, Oct 25, 2004
    #1
  2. Juper
    Try the fan control relays, there are three of these if you have a two fan
    model. They are controlled by the ECU which reacts to a control thermostat.
    On my 406 I believe they are located under the wheel arch passenger side.
    Haynes manual shows a wiring diagram for the three relays but the method of
    energising differs on some models from the Haynes manuel.
    Mike
     
    MICHAEL ROCHE, Oct 25, 2004
    #2
  3. Juper Wort

    Juper Wort Guest

    Thanks
    Will take a look
    Knowing that most of the puddles are in the gutter side of the road &
    beyond, I suppose its possible that water may have got in that side & messed
    about ?

    JW
     
    Juper Wort, Oct 26, 2004
    #3
  4. Juper Wort

    s.parcel Guest

    this can be quite normal dont worry about it , it should stop quite soon after
    you stop the car.
     
    s.parcel, Jan 6, 2005
    #4
  5. Juper Wort

    Malc Guest

    But it isn't normal is it? The fan ran on and flattened the battery is
    what the post said.
     
    Malc, Jan 7, 2005
    #5
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