DRIVER SIDE REAR BRAKE PAD RETAINER DEFECTIVE. PART IS MADE SO THAT THE BRAKE PADS DO NOT MOVE SO THAT YOU GET SEVERE PAD WEAR, SAME AS IF YOU HAD A FROZEN CALIPER. DEALER DID NOTHING TO FIX IT. MY BROTHER HAD A 2016 AND THE OTHER SIDE DID THE SAME THING. I ALSO NOTICED MY FRIENDS 2019 BLAZER WITH THE SAME PROBLEM. CAN'T FIND ONE TO REPLACE IT SO I GROUND THE ENDS OF THE PADS SO THEY COULD MOVE FREELY. OTHER INDICATION IS SPONGY FEEL STOPPING THE CAR. I WOULDN'T BE WRITING THIS IF THE DEALER FIXED THE PROBLEM IN THE FIRST PLACE. BOB JOHNSON OF ROCHESTER IS THE PLACE. PROBLEM VEHICLE NOT STOPPING PROPERLY