S8 Quattro Sedan V8-4.2L (AYS) (2002)
Battery: Service and Repair
Battery, Removing and Installing
WARNING!
Always disconnect battery Ground (GND) strap before working on the electrical system
NOTE:
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Before disconnecting battery, determine radio anti-theft code.
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When the battery is reconnected, remember to check and activate the vehicle accessories (radio, clock, electronic conveniences, etc.) according to
the repair manual and/or the operator's manual.
Removing
The battery is in the right rear area of the trunk, beneath the side floor covering.
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Remove the side storage compartment separator and the floor covering, which is attached with Velcro.
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Remove the ground cable from the floor covering by loosening the hex nut (SW 10)
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Disconnect the battery ground strap from the negative battery terminal -1-. To do this, loosen the hex nut (SW 10).
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Disconnect the positive battery cable from the positive battery terminal -2-. To do this, loosen the hex nut (SW 10).
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Separate the hose connection -4- from the battery.
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Remove the hex screw (SW 13) -3- and then remove the fastening clip.
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Lift the battery with both handle straps (arrow) out of the trunk.
Installing
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Perform the steps described for installation in reverse order.
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Tighten the hex screw (SW 13) -3- on the fastening frame to 20 Nm.