auto transmission click sound on 2002 Chevrolet Avalanche 2500

Hi I have avalanche 2002 2500 8.1 ... the auto transmission when change from gear to gear( from 3 gear to 4 gear ) i hear strong hit ( click ) ... what is the problem ?? Thanks

by in Ashton, IL on May 23, 2010
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1 answer
ANSWER by , May 24, 2010
Possibly the rear u-joint is worn out and will click or clunk when shifting, you can locate a shop here and check prices here