A8L Quattro Sedan V8-4.2L (AKB) (2002)
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maximum mark, it is imperative to remove electrolyte using a commercially available hydrometer.
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Use the hydrometer to remove electrolyte until its level has gone down to the mark on plastic cylinder or the maximum mark on the outside.
Batteries with central venting
WARNING!
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Use only the newest batteries equipped with central venting
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Always use original battery plugs. Plugs must be equipped with an O-ring seat.
There are two types of batteries with a central venting system:
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Batteries with a hose attached to the central venting system
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Batteries without a hose attached to the central venting system
