Battery

Battery

Observe notes on contact corrosion, refer to => [ Contact Corrosion ] Contact Corrosion.

Removal






- Switch ignition off.

- Lift the luggage compartment floor covering by the handle and fold it forward.

- Remove the pressure reservoir (if equipped) with the lines still connected and move it to the side.

- Remove the vehicle tools.

- Remove the screws - arrows - and the bracket - 1 -.

- Connect the battery charger for the battery support mode. Refer to => [ Battery, Preparing for Support Mode ] Battery, Preparing For Support Mode.

- Remove the battery negative pole cover - 7 - from the battery - arrows -.






- Loosen the nut - 4 - a few turns and disconnect the ground cable from the battery negative pole - 5 -.

- Remove the cover - 1 - over the battery positive terminal.

- Loosen the nut - 2 - a few turns and remove the positive cable - 3 - with the main fuse panel from the battery positive pole.

- Disconnect the central gas vent hose - 6 -.

- Remove the bolt - 8 - on the battery mounting bracket - 9 -.

- Remove the battery from the battery tray and remove it from the luggage compartment.

Pollution risk.

• Battery and sulfuric acid disposal regulations must be followed when disposing of batteries.

Installation

• Tightening specifications, refer to => [ Battery Overview ] Battery Overview.

• Only maintenance-free batteries conforming to standards "TL82506" (as of December 1997) and "VW75073" (as of August 2001) may be installed.

• Batteries from the Audi Parts Program have a bottom strip-adapter for adapting to different grip channels. For information on how to use the base strip adapter, if applicable, see the battery operating instructions.

- Install the battery in the battery tray so that the battery clamping strip fits into the strip in the battery tray - arrow -.






• It should no longer be possible to move the battery.

- Install the battery bracket - 5 -.






• The tab - arrow - on the battery bracket must fit into the opening on the battery clamping strip - 4 -.

- Tighten the bolt - 6 - on the battery bracket.

- Connect the hose for the central venting system - 3 -.

- Turn off the ignition and all electrical consumers, and connect the battery in the following sequence:

- First connect the positive battery terminal - 2 - to the battery positive pole "+" by hand and tighten the nut.

- Close the cover - 1 - over the battery positive terminal.

- Disconnect the connector - 3 - on the Battery monitoring control module (J367) - 1 -.






- Connect the ground terminal to the battery negative pole "-" by hand and tighten the nut - 1 -.

- Connect the electrical connector on the Battery monitoring control module (J367).

- Make sure the battery is secure after installing it.

- Install the battery negative pole cover on the battery.






- Install the bracket - 1 - and tighten the screws - arrows -.

- Adapt the battery in "Guided Fault Finding" or "Guided Functions" using the Vehicle diagnostic tester.

When the battery is connected, the following steps must be performed:

• Activate the one-touch up/one-touch down power window regulators. Refer to the Owner's Manual.

• Check all the DTC memories and erase the "undervoltage" entry using the Vehicle diagnostic tester.

• After connecting the power supply, the ABS warning lamp may only go out after the vehicle has been driven a few yards.