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A4 Cabriolet beeping from rear

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by aa120n, May 10, 2010.

  1. aa120n
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    aa120n New Member

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    once a week, my a4 cab 2.5 tdi starts beeping from the rear of the car, ive searched high and low for where its coming from but i cant find it. :wacko: I've read that it could be the alarm siren that needs replacing, but i can't find it anywhere, can anyone please shed some light on this for me?

    Thanks
    #1
  2. Woorlord
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    Woorlord shifting to Hyperspace... .

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    Backup rechargeable batteries in the Alarm are drained & dead and Audi can only replace the whole unit at ~£100 parts + Labour. A similar thread says £250 at Audi.
    >>Similar Thread Here<< and >>DIY Battery Repair Here<<

    Not familiar where the Siren Unit is on the Cabriolet so you may need an extra pointer on that.
    #2
  3. itsmeagain
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    itsmeagain 1.8T Sport Cabriolet

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    If its your alarm siren. A replacement is approximately £80 from a main dealer, I recently purchased one for my TT. Its really easy to fit wouldn't bother getting Audi to fit.
    #3
  4. jolly14
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    jolly14 Member

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    #4
  5. dans3.0
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    dans3.0 Member

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    Hi,

    Have replaced mine, its really easy to do yourself, the siren is in the hood well on the drivers side behind the trim, all you do is open the hood partway until the lid and hood frame are out the way, unclip the trim one bolt change siren and its done.

    Dan
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    A4cab-Izzy likes this.
  6. jolly14
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    jolly14 Member

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    #6
  7. ligand
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    ligand New Member

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    Thanks dans3.0 I spent the first part of the morning rooting around in the boot until I found your post. Sadly my batteries leaked and the siren's circuit board is fried! :(
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  8. scott b
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    scott b Active Member

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    hence why when i fitted the rear park sensors on mine i didnt bother taking the bumper of
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  9. whitty
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    whitty Member

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    I have a similar problem except my siren does not emit any niose at all.
    I am so glad you told me where the siren is though ...... i have been searching under wheel arches and in boot all afternoon. LOL
    As its now peeing it down i will sort it 2moro now.
    Did you replace the circuit board, if so how many pennies was it.
    Thanks guys.
    #9

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