United States 91V093000
General Motors, LLC
The problem
REAR WHEEL BRAKE CYLINDERS ARE TOO SMALL TO ALLOW FOR PROPER BRAKING.
Risk
STOPPING DISTANCE REQUIREMENTS OF FMVSS 105 ARE NOT METWITH POWER ASSIST BRAKING UNITS INOPERATIVE.
What owners should do
REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.
Units 14