1990 FORD B SERIESNHTSA Campaign #90V100000
The official notice
Defect
INCORRECT SIZE MASTER CYLINDER INSTALLED WILL PROVIDE LESS LINE PRESSURE TO WHEEL CYLINDERS FOR A GIVEN PEDAL PRESSURE.
Safety Risk
THIS COULD RESULT IN INCREASED STOPPING DISTANCES ORINCREASED PEDAL PRESSURE REQUIRED FOR A GIVEN STOPPING DISTANCE, WHICH COULDCAUSE AN ACCIDENT.
Remedy
INSTALL THE CORRECT 1.75 INCH MASTER CYLINDER.
Updated June 10, 2026