A4 Quattro Sedan V6-3.0L (AVK) (2002)
Battery: Service and Repair
Battery, Charging
Battery, Charging
Special tools and equipment
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Battery charger
Batteries should be charged using a V.A.G battery charging unit e. g. V.A.G 1471, V.A.G 1648 or V.A.G 1974.
WARNING:
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The battery plugs must be fully tightened when charging, measuring voltage or performing load tests.
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Rooms in which batteries are charged must not be entered with a open flame or while smoking. As the battery forms gas which is readily
flammable during the charging process.
NOTE:
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The battery temperature must be at least 10 degrees C.
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Batteries should only be fast charged (e. g. boost starting) in exceptional circumstances; as fast charging causes damage.
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If fast charging is performed on heavily discharged batteries, they fail to absorb any charging current or register as being fully charged prematurely
due to so-called surface charging. They appear to be OK.
Sequence of operations
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Switch off battery charger.
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Switch off ignition.
See Caution before beginning repairs on the electrical system
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Push cover over battery to the right -arrow 1- and remove by lifting off -arrow 2-.
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Disconnect Ground strap -1- on battery negative terminal and detach positive cable -2- on battery positive terminal.