what could b wrong if sometimes the reverse doesnt work on my car on 2000 Audi A6 Quattro

the car shifts fine but ssometime when your in reverse and you give it power it stops working. we just bought the car and noticed it.

by in Rutland, VT on March 24, 2013
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2 answers
ANSWER by , March 25, 2013
ck fluid level to start with.when was the last trans service?
ANSWER by , March 24, 2013
check wire atach to trans