New Beetle L4-2.0L (AVH) (2005)
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Multimeter VAG 1526, VAG 1526A, Fluke 83, Volt-Amp tester Sun VAT 40 or equivalent.
NOTE:
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If no load voltage is to be measured with the battery installed in the vehicle, first disconnect ground strap.
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Vehicle must not be started or driven (with battery to be tested) for at least 2 hours before taking measurements.
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During this time, no load or additional charge is to be applied to battery.
Check battery no load voltage as follows:
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With battery installed and ignition switched off, check voltage between battery terminals with voltmeter.
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No load voltage 12.5 volts or above: battery OK.
Battery no load voltage must not be below 12.5 volts. If below 12.5 volts, recharge battery immediately.
NOTE: After charging battery:
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Wait two hours before taking measurements
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During this time, no load or additional charge is to be applied to battery.
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Again check voltage between battery terminals with voltmeter.
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No load voltage below 12.5 volts: replace battery.
Specific Gravity
Specific Gravity, Checking
NOTE:
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The following procedure only applies to batteries without charge indicator.
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In order to better determine a battery's overall condition, it is recommended to perform always the electrolyte specific gravity test in conjunction
with the load test. See:
WARNING:
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Before working with electrolyte, refer to Warnings and Safety Measures
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Dispose of electrolyte (sulfuric acid) properly! Waste electrolyte must only be disposed of in appropriate waste disposal sites. Refer to
local regulations pertaining to electrolyte disposal.
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The following notes and procedures must be followed to ensure correct measurements.
Special tools, testers and auxiliary items