Front end Problem on 2003 Chevrolet Express 2500

Dealer replaced tie rod ends, idler arm, shocks, brakes, rotors, tires and had it aligned and it still shimmies when decelerating starting at about 50 mph.

Asked by for the 2003 Chevrolet Express 2500
1 answer
Double check to be sure there are no loose parts and the tires aren't out of round or separated.
If you want to find a Chevy specialist, here's a directory link for you:
https://repairpal.com/directory?address=79403&car_brand_names=Chevrolet