Question about 2003 Volkswagen Golf
Test the car battery & the alternator supply voltage. If the alternator voltage is around 14 Volts, engine idling and headlamps low beam turned ON, then the battery is bad. After engine stopping, the battery voltage should be at least 12,4 Volts. The battery could be too old and needs to be replaced. If the alternator voltage is below 13,8 Volts then you must check up first time the alternator belt & tensioner pulley. If everything is OK, then the alternator is out of order and needs to be repaired in a dedicated workshop: weared brushes, bad voltage regulator, ...
Posted on Oct 09, 2010
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Posted on Jan 02, 2017
SOURCE: battery or altenator
with the engine idling, check the voltage at the battery terminals. if its between 13 and 14.6 volts the alternator is probably ok. If its below 13V you need a new alternator. above 15V same thing.
Why did u think it needed repair? is your battery not holding a charge?
Posted on Jan 07, 2009
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