BUICK SKYLARK 1980: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE

General Information

NHTSA Campaign ID Number: 81V095000

Make Model Year
BUICK SKYLARK 1980
Date Owners Notified Date Received by ODI Date Added to Database
1981-08-25 1981-08-10 1981-08-12

Production Dates: 1978-08-01 - 1979-08-01

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE

Potential Number Of Units Affected: 47371

Report Initiator: ODI ODI Report

Summary

UNDER CERTAIN CONDITIONS, THE REAR BRAKES COULD LOCK UP WITHOUT PRIOR WARNING DURING HIGH DECELERATION BRAKING. THE PROBLEM MAY BE CAUSED BY DEFECTIVE PROPORTIONER VALVES IN THE BRAKING SYSTEM.

Remedy

THE DEALER WILL INSPECT THE BRAKE SYSTEM PROPORTIONER VALVES AND IF NECESSARY INSTALL NEW VALVES.

Notes

VEHICLE DESCRIPTION: PASSENGER VEHICLES WITH MANUAL TRANSMISSIONS.SYSTEM: SERVICE BRAKES; REAR BRAKES.CONSEQUENCES OF DEFECT: REAR BRAKE LOCKUP COULD CAUSE A LOSS OF VEHICLE CONTROLAND AN ACCIDENT.