NHTSA (USA)Critical
1990 CADILLAC BROUGHAMNHTSA Campaign #91V092000
The official notice
Defect
REAR WHEEL BRAKE CYLINDERS TOO SMALL TO ALLOW FOR PROPER BRAKING.
Safety Risk
STOPPING DISTANCE REQUIREMENTS OF FMVSS 571 ARE NOT METWITH POWER ASSIST BRAKING UNIT INOPERATIVE.
Remedy
REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.
Updated June 10, 2026