Battery in luggage compartment, removing and installing
CAUTION:
- Prior to handling or servicing batteries, read, understand and observe the Warning and Safety Measures for lead-acid batteries → Warnings and safety measures for lead-acid batteries
- Always wear suitable protective clothing Eye protection and protective clothing: .
CAUTION:
Before beginning repairs on the electrical system:
- Where applicable, obtain anti-theft radio security code.
- Switch off all electrical consumers.
- Switch the ignition off and remove ignition key.
- Disconnect negative ( - ) battery terminal.
- After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Information and/or Owners Manual.
Removing
Special tools, testers and auxiliary items required
- Torque wrench VAG 1331 or (equivalent 5 - 50 Nm)
- Lift luggage compartment floor covering and secure.
- Remove formed insert behind battery - 5 - upward - arrow -.
- Disconnect negative ( - ) terminal - 6 - from battery
- Fold positive terminal cover - 2 - upward.
- Then disconnect positive ( + ) terminal - 1 - from battery.
- Disconnect central gas venting system hose - 7 -.
- Remove bolt - 4 - from battery hold-down bracket - 3 -.
- Remove battery from battery console retaining strip.
- Remove battery from luggage compartment.
CAUTION:
When disposing batteries it is absolutely necessary that the disposal procedures for batteries and sulfuric acid are observed.
Installing
NOTE:
- 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. Whether and how bottom strip-adapter is used, refer to operating instructions for battery.
- Insert battery in battery holder.
- Battery clamping strip - 1 - must engage in battery holder mount - 2 -.
- It should no longer be possible to move the battery.
- Position battery hold-down bracket - 3 -.
- Lug on battery retainer must engage in recess on battery base strip.
- Hand tighten bolt - 4 -.
Reconnect battery in the following sequence with ignition and electrical equipment switched off:
- First connect positive ( + ) terminal - 1 - to battery post and torque nut to specification.
- Close positive terminal cover - 2 -.
- Then connect negative ( - ) terminal - 6 - to battery post and torque nut to specification.
- Connect hose for central gas venting system; see notes → Batteries with central gas venting .
- Check firm attachment of battery following installation → Battery installation, checking .
The following steps are required after reconnecting battery:
NOTE:
- When reconnecting battery, activate vehicle equipment (radio/radio navigation system, clock, electric window lifters) in accordance with Owners Manual.
- Further measures after reconnecting the voltage supply refer to applicable engine repair information,
- 24 MULTIPORT FUEL INJECTION (MFI) for 1.8 LITER 4-CYL. 5V TURBO FUEL INJECTION & IGNITION, ENGINE CODE(S): AMB
- 24 - MULTIPORT FUEL INJECTION (MFI) for 2.0 LITER 4-CYL. 4V TURBO FUEL INJECTION IGNITION, ENGINE CODE(S): BPG, BWT
- 24 MULTIPORT FUEL INJECTION (MFI) for 3.0 LITER 6-CYL. 5V FUEL INJECTION & IGNITION, ENGINE CODE(S): AVK, BGN
- 24 - FUEL INJECTION SYSTEM for 3.2 V6 4V FUEL INJECTION IGNITION, ENGINE CODE(S): BKH
- 24 - MULTIPORT FUEL INJECTION (MFI) for 4.2 LITER V8 4V FUEL INJECTION AND IGNITION, ENGINE CODE(S): BNS
- 24 MULTIPORT FUEL INJECTION (MFI) for 4.2 LITER V8 5V FUEL INJECTION AND IGNITION, ENGINE CODE(S): BHF
- Check proper function of remote control keys; adapt keys if necessary. Inform customer that all additional keys must also be adapted to ensure that the remote control works properly Owners Manual.
- After re-connecting battery, the ESP indicator lamp will go out only after driving a distance of several meters.
Tightening torques
| Component - fastener | Nm |
| Battery hold-down bracket - nut | 12 |
| Battery terminal to battery post - nut | 7.5 |