Ultrasport Project EP2: Alarm Siren Module Problems!

In episode #2 of our Audi Ultrasport project, we discuss a possible oil pressure issue and then move on the next big problem: The alarm siren keeps going off! We disassemble the rear of the car to retrieve the module (1:16), then cut it open (9:25), remove the leaking battery (10:36), and show you how to clean the board (12:03) and replace the battery (16:18). Finally, we reinstall everything (20:00) and get it tested (23:20). This DIY is applicable to 2002-2008 B6 and B7 Audi A4 and S4 Avants (wagons), but its should be close enough to help out sedan owners as well. The module's part # is: 8L0 951 605A

Here is a list of the items we mentioned in the video:

Alarm module (8L0951605A) Cheaper than the dealer! https://amzn.to/3e7N71e
Battery https://amzn.to/30x1eIV (updated Amazon link 3/11/2021)
Torx screwdriver set https://amzn.to/3dZfrD0
De-soldering iron https://amzn.to/3bMRf5t
Soldering Iron https://amzn.to/2LKrXdz
Helping Hands https://amzn.to/3g3aFWV
Loctite PL Roof & Flashing Polyurethane Sealant https://amzn.to/3cMnymn
3M Adhesive Tape (6382) https://amzn.to/2LKrXdz

(As an Amazon Associate I earn from qualifying purchases made through the links above. Thanks!)

Here's what we've spent so far: http://diynexus.com/2004-audi-a4-avant-usp-project-costs/

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