Battery, Removing And Installing: Removing

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Turn off the ignition and remove the key.

CAUTION:

TDI (SCR) vehicles

After the ignition is switched off, the reducing agent goes from the metering line to the Reducing Agent Injector -N474- and back into the reducing agent active chamber.
Wait until all the reducing agent has been returned before working in this area. This could take up to 10 minutes after switching off the ignition.
Only after this is complete can the battery be disconnected. Again, this could take up to 10 minutes after switching off the ignition.

Sedan:

Fig 1: Locating Vehicle Tool Kit And Battery

Courtesy of AUDI OF AMERICA, LLC

-- Lift the luggage compartment floor and engage it on the body.

-- Remove the nut -1- and remove the cover -2- for the vehicle tool kit.

Avant:

Fig 2: Identifying Luggage Compartment Floor -2-, Nuts -1- And Spare Tire -3-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the luggage compartment floor -2-.

-- Remove the nut -1- and if equipped, remove the spare wheel -3-.

Negative terminal cover - Version I:

Fig 3: Identifying Battery Retainer Bracket -2-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the tool kit mount -3-.

-- Remove the bolts -A arrows-.

-- Remove the retaining bracket -2- for the vehicle tool kit cover.

-- Release retaining clips -B arrows- using a screwdriver and remove the negative terminal cover -1-.

-- Connect the battery charger for battery support mode. Refer to Battery Charger VAS5095A SUPPORT MODE .

Negative terminal cover - Version II:

Fig 4: Identifying Battery Retainer Bracket Bolts

Courtesy of AUDI OF AMERICA, LLC

-- If equipped, remove the subwoofer -1-. Refer to Subwoofer -R211-, REMOVING AND INSTALLING .

-- Remove the tool kit mount -2-.

-- Remove the bolts -arrows-.

-- Remove the spare tire bracket -4-.

-- Connect the battery charger for battery support mode. Refer to Battery Charger VAS5095A SUPPORT MODE .

All vehicles:

Fig 5: Identifying Battery, Cables, Vent Hose And Battery Bracket

Courtesy of AUDI OF AMERICA, LLC

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

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

-- Loosen the nut -2- several turns and remove the battery positive cable terminal with the Fuse Panel A -SA- from the battery terminal.

-- Disconnect the hose -5- for the central venting system.

-- Remove the bolt -6- on the battery bracket -7-.

-- Remove the battery -1- from the battery mount.

-- Remove battery from luggage compartment.

WARNING:

Pollution risk.

Battery and sulfuric acid disposal regulations must be followed when disposing of batteries. Refer to WARNINGS AND SAFETY PRECAUTIONS .