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Automotive/VW Passat '95, charging problem
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Question
Hi
I have a 95 VW Passat TDi. Once started it runs ok but the revs stick at 0 and it appears to only start charging once revved beyond 2000rpm, when the various loads (wipers, lights, heater fan) start working properly.
Have fitted a new battery, alternator & cleaned some of the more obvious connections, but still same problem. Any ideas on fix please?
Thanks in advance.
"Appears" to be charging is guessing.I would get a meter and find exactly what voltage you are getting out of the alternator for a start.At idle it will read between 12.70 ........13.50.........14.00 anything less is a suspect alternator.If you turn on the wipers,heater fan,lights and increase idle,then read it and let me know.Also check belt/s for tightness and make sure they are not slipping as well as all pulleys.
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Answers by Expert:
Sean Halliday
Expertise
general auto repair,japanese,bmw,mercedes,mini cooper 1960/2009,general british cars,ford.I DO NOT work on automatic transmissions.Manual transissions i install clutches only.Many people ask me to diagnose noises from their cars,unfortunately i cannot do this unless i hear it.As you appreciate,vehicles can and will make a variety of noises.I DONT UPGRADE or fit aftermarket performace kits,parts,chips,only replacement parts.
Experience
40 years experience on all general auto repair.
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