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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Charging System (Battery, Starter And Generator) & Cruise Control (1 Of 2) >> 27 Battery, Starter, Generator, Cruise Control >> Battery >> Battery, Removing And Installing >> Battery -A-, REMOVING AND INSTALLING, 0K4 AND VH0 >> Removing

Battery -A-, REMOVING AND INSTALLING, 0K4 AND VH0: Removing

-- Remove the nut -1-, the cover -3- with the vehicle tool kit mount -2-.

Fig 1: Battery Holder With Bolt
GWWA27-10579Courtesy of AUDI OF AMERICA, LLC

-- Avant: if installed, remove the subwoofer. Refer to SOUND SYSTEM .

-- Equipment version without subwoofer: remove the nuts -arrows-.

GWWA27-10668Courtesy of AUDI OF AMERICA, LLC

-- Equipment version with subwoofer, remove the subwoofer. Refer to SUBWOOFER -R211-, REMOVING AND INSTALLING .

-- Remove the rear crashpad -2- with the retaining bracket -1-.

-- Remove the bolts -arrows-.

GWWA27-10669Courtesy of AUDI OF AMERICA, LLC

-- Remove the retaining bracket -1-.

-- Loosen the nut -6- several turns and remove the battery ground cable terminal -4- from the battery terminal.

GWWA27-10693Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -5-.

-- Check that it is de-energized on the jump-start connection point using the multimeter. Refer to Check that it is de-energized on the jump-start connection point using the multimeter: .

-- Open the cover -3- over the battery positive terminal.

-- Loosen the nut -1- several turns and remove the battery positive cable terminal clamp -2- from the battery terminal.

-- Remove the bolt -3-.

GWWA27-10698Courtesy of AUDI OF AMERICA, LLC

-- Remove the battery bracket -4-.

-- Disconnect the central venting system hose -1-.

-- Lift the battery -2- up and out of the luggage compartment.