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How to Replace the Battery in an Audi A4?

Model: Audi A4 B7 - Years: 2004, 2005, 2006, 2007, 2008
Part: Battery

See other generations:
Video tutorial

In this tutorial, you will see how to replace the battery in an Audi A4, a very simple and quick operation. Before proceeding, ensure that the key is not in the ignition for safety.

Start by opening the hood, then remove the plastic cover located in front of the windshield, take off the rubber seal, and detach the entire cover. Next, loosen the terminal nuts with a 10mm wrench, disconnect both terminals starting with the negative, and remove the bolt of the mounting bracket with a long 6mm wrench.

At this point, you can take out the old battery, insert the replacement, and reassemble everything.


Updated on 1 September 2026 by ScegliAuto


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