A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
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Open the cover - 2 - over the battery negative terminal.
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Loosen the nut several turns and remove the ground wire terminal clamp - 1 - from the battery terminal.
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Disconnect the electrical connector - 3 -.
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Remove the nut - 6 - and ground wire - 5 - with the battery monitoring control module (J367) - item 4 -.
Installing
‹› Torque specification: sedan => [ Battery Assembly Overview, Sedan ] , Avant => [ Battery Assembly Overview, Avant ] See: Battery/Service and
Repair/Removal and Replacement/Battery Assembly Overview, Avant.
Install in reverse order of removal, observing the following:
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Connect battery => [ ] See: Battery/Service and Repair/Removal and Replacement/Battery.
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Install the subwoofer, if applicable.