United States 91V096000

General Motors, LLC

SERVICE BRAKES, HYDRAULIC — BRAKES:HYDRAULIC:SHOE AND DRUM WHEEL CYLINDERS · June 14, 1991

The problem

REAR WHEEL BRAKE CYLINDERS ARE TOO SMALL TO ALLOW FOR PROPER BRAKING.

STOPPING DISTANCE REQUIREMENTS OF FMVSS 105 ARE NOT METWITH POWER BRAKING ASSIST UNIT INOPERATIVE.

REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.

Units 28