1996 E36 325 TDS Touring, Whirring Noise, When Engine Shutdown

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  1. 1996 E36 325 TDS Touring, Whirring Noise, When Engine Shutdown 
    #1
    BMW Crazed
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    Defiance's Car Details
    Model of Car:
    330d Touring
    Year of Manufacture:
    2001
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    Manual
    Car Body Type:
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    Hiya,

    Got a well weird noise, the car as i turn ignition off goes into the fan spin mode under the bonnet

    After this stops (only a matter of seconds, i believe it's cooling the alternator ? ) I can hear a kind of electrical whirring noise from where my outside temp etc is, generally below my cd/mp3 player

    As my hearing's not the best (need 2 behind the ear hearing aids (industrial ear damage grrr)) i can hear it without the hearing aids as long as i'm not on a dualcarriageway layby etc lol

    It's like a very light tone that's varying in pitch, sometimes going up slightly in pitch then back down and rising again, almost like a small low geared R/C control servo motor under slight strain (if that makes sense)

    Now obviously, anything in the dash area likely to be causing this noise ??

    Besised a sony head, the dash is stock, digi clock not dial that ticks

    Ohh i do have aircon climate control, maybe something to do with this, though i have'nt used it as such ???

    (now this is a long shot i've got to look into, my tailgater wiper seems to be dead, and from other pics of tourings my wiper arm is level on the right side of tailgate, whereas other touring pics show they sloe/rest level on the left)

    (could i have damaged wires left top area where the wires are stressed/bent etc with the opening/closing of the tailgate, that could be causing a short or somert in my centre dash area ?? )

    Ohh and i've had a few weird things happen with my alarm going off as i've armed it

    Did read that wire problems in tourings tailgate area cause some pretty far ranging electrical problems, so threw this in just in case hehe

    Thanks

    Tony
     
     

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    #2
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    Ferret's Car Details
    Model of Car:
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    Perfectly normal.... It's the little fan inside the climate control panel which is drawing air over a thermistor to cool it off !

    It'll last anywhere from a few minites upto about 30mins.

    As for the wiring, just strip back the sheathing that goes from body to boot lid - You might find some broken wires in there which might fix your wiper
     
     

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    Defiance (11-02-2011)

  5.  
    #3
    BMW Crazed
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    Defiance's Car Details
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    Hiya,

    Woohoo, glad to know the whirring's normal

    Now as for the tailgate wiring, i will strip that area back and check for damage

    I was thinking more on the line of instead of cut/solder/insulate if any badness found, just get a nice block connector and use this, will see when i get to check wiring though

    Many Thanks

    Tony
     
     

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    #4
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    Ferret's Car Details
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    It'll probably be easier to just strip the insulation back, and join the wires together - As I would have thought a block might be too big to fit between the lid and the body.

    Might be worth a shot ?!?
     
     

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    Defiance (11-02-2011)

  9.  
    #5
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    billywhizz1984's Car Details
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    Read this re the alarm, it covers the bootlid wiring too..

    http://www.bimmerforums.co.uk/forum/...3g-ews-t39173/
     
     

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    Defiance (11-02-2011)

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    #6
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    Hiya's,

    Ahh man, yeah i bet your 100% right about the block not fitting in ferret, kinda thought of a better fix without absorbing the space limitation lol

    Cheers Guys

    Much appreciated

    Tony
     
     

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    billywhizz1984's Car Details
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    You could put a block inside the car, then another inside the tailgate, running new wires between them through the rubber tube. This might be a better solution than the soldering the wires as solder joints are solid by nature and don't have the flexibility required.
     
     

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    Defiance (12-02-2011)

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    #8
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    Hiya,

    Now that's food for thought

    Cheers

    Tony
     
     

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    #9
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    dellboy1959's Car Details
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    Ref tailgate,i wouldn't use block or any other type of connector.They are all prone to corrosion and will cause probs at a later date.The best way is to solder the cables together and use heat shrink tube to insulate the bare cable then apply insulation tape over that.
    Just to make sure you don't short circuit,if you have more than one damaged cable,stagger the joints so there's no way they can contact each other.
     
     

  16.  
    #10
    BMW Crazed
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    Defiance's Car Details
    Model of Car:
    330d Touring
    Year of Manufacture:
    2001
    Transmission Type:
    Manual
    Car Body Type:
    Touring

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    Staffordshire UK
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    Hiya's,

    Not got to inspect the wiring yet

    But have cracked on with servicing the car

    Found a nice roofing nail in the front ns tyre :( which needs to be sorted fast

    Asap i get time to check wiring on tailgate i'll update as needbe

    Cheers

    Tony
     
     

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