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– Remove covers -1- and -2- above battery.
– Connect battery charger to provide back-up power supply
⇒ page 7 .
– Disconnect earth cable -2- and positive cable -4- at battery.
– Disconnect hose -3- for central gas venting system.
– Unscrew bolt -1- on battery retainer plate.
– Lift battery out of luggage compartment (right-side).
WARNING
Observe environmental requirements.
♦ When disposing of used batteries, always observe the re‐
quired disposal procedures for batteries and sulphuric
acid ⇒ Electrical system; General information; Rep. gr.
27 ; Battery .
Installing
Installation is carried out in the reverse order; note the following:
Note
♦
We recommend using the battery indicated in the electronic
parts catalogue to ensure optimum operation of the energy
management control unit -J644- .
♦
Batteries from the Audi parts range feature a base strip adapt‐
er for matching to different retainer flanges. The battery oper‐
ating instructions give details of when and how to use the base
strip adapter.
– Insert battery in battery carrier so that lug at rear of battery
carrier -arrow- engages in recess in battery base strip -1-.
• It should no longer be possible to move the battery.
Audi A8 2003 ➤
Electrical system - Edition 08.2014
4 Rep. gr.27 - Starter, current supply, CCS
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