my tahoe is making a whining noise from the rear axle on 2002 Chevrolet Tahoe

rear axle is making a whining noise while driving what could is be?

by in Friona, TX on January 02, 2013
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2 answers
ANSWER by , January 02, 2013
Full of lube?
ANSWER by , January 02, 2013
maybe it is low on fluid