One problem related to transmission noise has been reported for the 2002 GMC Sierra. The most recently reported issues are listed below.
Caller complained about transmission failure. While pulling away from a stop sign heard a noise and could not get vehicle to move. Finally, got it off the road, but was unable to move forward or backward. Caller said the original owner had the same problem. Manufacturer wanted dealer to evaluate the problem and call them back, and for the caller to pay for repairs. . Dealer had not come seen the vehicle.