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Hi all i have had my c6 rs6 for 3 months now and yesterday a fault came on my dash,Alternator is not charging your battery within 10 mins my car slowly started to die and finally it come to a stop.

This morning i charged battery fully then did a volt drop on it was ok,So then i removed engine cover and checked the alternator for voltage drop incase it was a cable broke or melted.The mechanic who helped me out told me the alternator wasnt working right and said the bushes may have gone.

I have warranty on the car but before i take it to be checked replaced is there anything else i can check and is this a common issue its a 2009 59 with 74k miles cheers.

Mark ward.

P.s I live in birmingham who should i take it to please.

Audi will do a full voltage diagnostic to find out whats what. It could be the battery also.

Yes alternators fail on the C6.
Get it booked in, full front end off job.

Many thanks both will keep this post upto date.

Beast of an alternator, it's water-cooled, innit?

bam_bam wrote:Beast of an alternator, it's water-cooled, innit?

Yeah they are, oem audi units retail at around £400 :O

I seem to remember that being cheaper than the C5. Is that a core exchange?

bam_bam wrote:I seem to remember that being cheaper than the C5. Is that a core exchange?

Think so Bam yeah, i imagine it'll be double that without an exchange.