Battery
Battery
Removing
- Turn off the ignition and remove the ignition key.
Sedan
- Lift the luggage compartment floor and engage it on the body.
- Remove the nut - 1 - and the tool kit cover - 2 -.
Avant
- Remove the luggage compartment floor - 2 -.
- Remove the nuts - 1 - and the spare tire - 3 -, if applicable.
Negative Terminal Cover - Version I
- Remove the tool kit mount - 3 -.
- Remove the bolts - A arrows -.
- Remove the retaining bracket - 2 - for the vehicle tool kit cover.
- Release the retaining clips - B arrows - using a screwdriver and remove the ground terminal cap - 1 -.
- Connect the battery charger for battery support mode.
Negative Terminal Cover - Version II
- Remove the subwoofer - 1 - if applicable.
- Remove the tool kit mount - 2 -.
- Remove the bolts - arrows -.
- Remove the spare tire bracket - 4 -.
- Connect the battery charger for battery support mode.
Continuation for All Vehicles
- Loosen the nut - 4 - a few turns and remove the ground cable terminal clamp from the battery terminal.
- Open the cover - 3 - over the battery positive terminal.
- Loosen the nut - 2 - several turns and remove the positive wire terminal clamp with fuse panel A (SA) from the battery terminal.
- Disconnect the central venting system hose - 5 -.
- Remove the bolt - 6 - on the battery mounting bracket - 7 -.
- Remove the battery - 1 - from the battery mount.
- Remove the battery from the luggage compartment.
Pollution risk.
• Battery and sulfuric acid disposal regulations must be followed when disposing of batteries.
Installing
• Tightening specifications, refer to one of the following:
Sedan => [ Battery Overview ] Battery Overview, Sedan.
Avant => [ Battery Overview ] Battery Overview, Sedan.
• 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 mount so the base strip engages in the battery mount retaining strips - arrow -.
• It should no longer be possible to move the battery.
- Position the battery bracket - 7 -.
• Lug at battery bracket must engage in recess at battery base strip.
- Hand tighten battery bracket bolt - 6 -.
- Connect central venting system hose - 5 -
With the ignition and electrical components turned off, connect the battery - 1 - in the following sequence:
- Connect positive cable terminal clamp - 2 - by hand to battery positive terminal "+" and tighten nut.
- Close the cover - 3 - over the battery positive terminal.
• Ignore item - 4 -.
- Disconnect the connector - 1 - from the battery monitoring control module (J367) - 1 -.
- Connect the ground wire terminal clamp "3" by hand to the battery negative terminal and tighten the nut.
- Connect the electrical connector to the battery monitoring control module.
- Check battery after installation for secure seating.
Negative Terminal Cover - Version I
- Press the negative terminal cover - 1 - onto the battery.
Continuation for All Vehicles
- Insert the bracket - 2 - and tighten the bolts - a arrows -.
- After replacing, adapt the battery in the "Guided Fault Finding" or "Guided Functions" mode using the Vehicle Diagnostic Tester.
When the battery is connected, the following steps must be performed:
• Activate the power window regulator one touch up/down function. Refer to the Owner's Manual.
• Check DTC memories of all control modules and erase "Undervoltage" DTC if necessary using the Vehicle Diagnostic Tester.
• After connecting the power supply, the Anti-lock Brake System (ABS) warning lamp may only go out after the vehicle has been driven a few yards.