NHTSA (USA)Critical
1990 CADILLAC LIMOUSINENHTSA Campaign #91V097000
The official notice
Defect
REAR WHEEL BRAKE CYLINDERS ARE TOO SMALL TO ALLOW FOR PROPER BRAKING.
Safety Risk
STOPPING DISTANCE REQUIREMENTS OF FMVSS 105 ARE NOT METWITH POWER BRAKING ASSIST UNIT INOPERATIVE.
Remedy
REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.
Updated June 10, 2026