FORD AEROSTAR 1990: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

General Information

NHTSA Campaign ID Number: 89V223000

Make Model Year
FORD AEROSTAR 1990
Date Owners Notified Date Received by ODI Date Added to Database
1989-12-27 1989-12-11 1990-01-02

Production Dates: 1989-08-01 - 1989-10-01

Manufacturers Involved: Ford Motor Company

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Potential Number Of Units Affected: 30000

Report Initiator: MFR MFR Report

Summary

INABILITY TO MAINTAIN PRESSURE IN THE SECONDARY SYSTEM OF THE MASTER CYLINDER "CONTROLS BRAKING OF REAR WHEELS" COULD INCREASE BRAKE PEDAL TRAVEL AND REDUCE BRAKE PERFORMANCE AT TEMPERATURES LESS THAN 40 DEGREES.

Consequence

THIS WOULD CAUSE REDUCED BRAKING EFFECTIVENESS ANDINCREASED STOPPING DISTANCE THAT COULD RESULT IN A CRASH OR COLLISION.

Remedy

INSTALL NEW DESIGN MASTER CYLINDER INCORPORATING A REDESIGNED SEAL.

Notes

SYSTEM: BRAKES, MASTER CYLINDER.VEHICLE DESCRIPTION: TRUCK, VAN.