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Westle and S3baby's late night mechanics. (Replacing Alarm Batteries)

Discussion in 'A3/S3 Forum (8L Chassis)' started by Westy, Mar 29, 2011.

  1. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Mar 29, 2011]
    Right just got all the boot trim off to tackle this bitch and I'm now after some guidance!

    Can anyone confirm that the alarm and the batteries are actually part of the central locking pump???

    I've plugged in the laptop and triggered the alarm and it seems to be sounding from the central locking pump. This is slightly different to the TT, as seen in this guide:

    The Audi TT Forum :: View topic - How to - MK1 Alarm Siren fix
    #1
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  3. 666markyboy
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    666markyboy Well-Known Member

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    [Mar 29, 2011]
    Not part of the pump as far as i know... i've had the pump out in the past and it has nothing to do with the alarm... sorry i can't help you any further... my car had an uprated alarm fitted by Audi so i don't use the standard one anymore
    #2
  4. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Mar 29, 2011]
    It's ok i've just found the siren. Little fecker is dug in tight!

    Picks to follow ;)
    #3
  5. A3Tom
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    A3Tom Smell my finger.

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    [Mar 29, 2011]
    Watching this one.... I'm getting 3 beeps when I start my car now from the back which I presume is the alarm batteries being on their last legs
    #4
  6. 666markyboy
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    666markyboy Well-Known Member

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    [Mar 29, 2011]
    Under the Sub is it ????
    #5
  7. Breezey
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    Breezey Member

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    [Mar 29, 2011]
    its under the sub yes but further down basically attached to the inside of the rear bumper almost.
    #6
  8. A3Tom
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    A3Tom Smell my finger.

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    [Mar 29, 2011]
    Cool, I've got to take the trim off the inside of my boot anyway as I found the spare wheel well had washer fluid in it so the washer hose under the subs leaking, might as well do it all when I'm down there!
    #7
  9. The Doctor
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    The Doctor Well-Known Member

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    [Mar 29, 2011]
    #8
  10. s3dave
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    s3dave TFSI Hybrid

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    [Mar 30, 2011]
    Cheers doc, stored for future reference.....
    #9
  11. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Mar 30, 2011]
    I posted the exact same link in my first post! :p
    #10
  12. s3dave
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    s3dave TFSI Hybrid

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    [Mar 30, 2011]
    cheers missed it...lol
    #11
  13. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Mar 30, 2011]
    Ok here's the guide for an S3 with the Bose sub:

    I was suffering from the occaisional 3 beeps from the back of the car and also the following error in VCDS:

    01134 - Alarm Horn (H12) 01598 - Drive Battery Voltage 077-10 Signal low Intermittent

    First off open the boot (obviously) and undo the 4 torx (size 25) bolts inside the boot trim near the warning triangle:

    [​IMG]

    Next up you will need to unscrew the 2 torx bolts (size 27) that are under the spring clip of the luggage net holdings. There's one each side:

    [​IMG]

    [​IMG]

    You can then remove the bottom part of the boot trim:

    [​IMG]

    Now remove the side panel that lets you into the compartment above the passenger side rear wheel arch. If you look in and up towards the rear light cluster you should see a screw head that's holding a bit of plastic trim, like so:

    [​IMG]

    As you can see I have broken the plastic at some point when I forgot about this screw!

    With this screw out just grab on tight and pull at the trim and it will come away:

    [​IMG]

    Now I found things a lot easier if you put the passenger side rear seat forward and lift the carpet. Then undo the luggage net clip that is behind the passenger seat:

    [​IMG]

    Now move the central locking pump out the way, it might be cable tied in so cut the tie. With this out the way you will be able to access the bolts that hold in the sub as seen in the following pics:

    [​IMG]

    [​IMG]

    Undo the 3 bolts (8mm I believe) and unplug the sub:
    [​IMG]

    You then need to undo the bolts holding on the little amp for the rear speakers that sits above the sub:

    [​IMG]

    This will then swing out of the way:

    [​IMG]

    You can then swing the sub out the way too:

    [​IMG]

    The siren is tucked down real low below where the central locking pump was originally:

    [​IMG]

    There is one 10mm bolt that is on a brass bracket, undo this and you can slide out the alarm siren on the bracket:

    [​IMG]

    With the siren out I set to work on it with a junior hacksaw. I didn't have any cutting discs for the dremmel and I thought it would be a lot more controlled with the hacksaw:

    [​IMG]

    Unfortunately the batteries had already started to leak and the damage was quite bad but I had a go at repairing it anyway. The tracks on the board were also damaged from the acid:

    [​IMG]

    [​IMG]

    [​IMG]

    I set about following the guide above and wired up the batteries to the board after a little clean up of the acid:

    [​IMG]

    I put the alarm casing back together and taped it shut, reconnected it to the car but it is now a silent alarm :( MY error message has now cleared though so the batteries were definitely the cause but I think the board tracks were too damaged. New alarm module time for me.

    Hopefully you can catch yours before it's too late!

    For anyone wanting the original part number here it is:

    [​IMG]
    Last edited: Mar 30, 2011
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  14. DJ_Troopa
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    DJ_Troopa K1 Driver

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    [Mar 30, 2011]
    I'm gonna have to do mine at some point! It started bleeping from the rear speakers last summer for a couple months but then it stopped doing it. What happens if you don't change batteries and you leave them dead?

    I may take a trip to you sometime mate :) Are you anywhere near the Hertfordshire Police Constabulary?
    #13
  15. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Mar 30, 2011]
    You will get away with it for a while but I the batteries completely split then it will kill your alarm. Mine has been beeping on and off for 2 years now and I killed my alarm module by cleaning it up so sometimes it is just best to leave things as they are!

    Which police station are you referring to?
    #14
  16. DJ_Troopa
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    DJ_Troopa K1 Driver

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    [Mar 30, 2011]
    Bugger, i better get it sorted soon then! I mean the Herts Police HQ.
    #15
  17. S3 TAM
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    S3 TAM Pocket now empty

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    [Mar 31, 2011]
    Herts Police HQ is in Welwyn Garden City.

    Me and Westle are about 20 min from there.
    #16
  18. SiGainey
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    SiGainey Member

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    [Oct 16, 2011]
    Could these pics be put back up - trying to get the alarm out. Have the sub removed and the rear cluster out but can't find the 10mm that holds the unit in place grrrr! lol
    #17
  19. SiGainey
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    SiGainey Member

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    [Oct 16, 2011]
    Cancel that, got it in the end, what a little sod of a position to put it in grr lol!
    #18
  20. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Nov 1, 2011]
    Only just spotted this sorry bud. I'll fix the links now.
    #19
  21. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Nov 1, 2012]
    Sorry for a thread revival but i need todo this. I cant get my head around how to connectthe batterys together and wiring them in, can anyone explain it in a simpletons terms, wiring isnt my favourite job in the world.
    #20
  22. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Nov 1, 2012]
    I wouldn't bother with this mate, just buy a new alarm module. Normally if you've been getting the 3 beeps of doom the PCB board has probably already bit the bullet.
    #21
  23. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Nov 1, 2012]
    I got the 3 beeps about 2 years ago just never got around to doing it haha, guessing mine will be well shot now.
    #22
  24. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Nov 1, 2012]
    Definitely mate. By all means cut it open and take a look. My PCB board was melted from the acid and the damage wasnt fixable. I tried the new battery trick anyway and it did nothing. I fitted a 2nd hand alarm and that lasted about 6 months and has now gone silent after a month of beeping.

    If you order a new module from the stealers it's a revised part that is meant to be louder and last longer.
    #23
  25. S3 TAM
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    S3 TAM Pocket now empty

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    [Nov 1, 2012]
    Does anyone know how much a new module is from the stealers as mine's been bleeping for a while now but it still bleep when locking/unlocking.
    #24
  26. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Nov 1, 2012]
    Ask Jason matey.
    #25

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