One problem related to axle shaft has been reported for the 2002 Chevrolet Silverado. The most recently reported issues are listed below.
(2)2002 Silverado hd's( 4x4) with 5600 & 5800 odometer readings. When backing up vehicles at approx. 7 miles per hr and letting off the accelerator pedal a single clunking noise comes from the rear of the vehicle. Dealer cannot figure out what the clunking noise is.