A6 Quattro Sedan V6-3.0L (AVK) (2002)
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Remove hex nut -3- (size = 10 mm) at battery retaining bracket -2-.
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Disconnect elbow of central venting system (arrow).
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Lift battery out of plenum chamber.
Installing
Installation is the reverse of removal.
Tightening torques
Component
Nm
Battery terminal to battery post
6
Bolt at retaining bracket
15
Batteries with central gas venting
WARNING!
New style batteries with central venting system must be installed.
Original battery covers must always be used. The plugs must be equipped with an O-ring seal.
There are two types of batteries with a central venting system:
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Batteries with a hose or nozzle attached to the central venting system
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Batteries without a hose or nozzle attached to the central venting system
NOTE:
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The latest generation of batteries has a central venting system and a flashback protector in the form of a so-called "frit". Function: Gas produced
when charging leaves the battery through a central opening on the top part of the side covering. A flashback protector is also integrated at the same