Service Brakes, Hydraulic:foundation Components:differential Proportional Valve

NHTSA recall 83V105000 · announced October 13, 1983 · filed by General Motors Corp. · 352,036 units affected

The problem

THE BRAKE PROPORTIONER VALVES MAY BREAK AND SEPARATE FROM THE MASTER CYLINDER. THIS WOULD ALLOW BRAKE FLUID TO LEAK AND WOULD RESULT IN A PARTIAL LOSS OF THE BRAKE SYSTEM.

What to do

THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALL SUSPECT VALVES.

Notes

VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: SERVICE BRAKES; BRAKE PROPORTIONER VALVES.CONSEQUENCES OF DEFECT: SINCE THIS IS A DUAL BRAKE SYSTEM, PART OF THE SYSTEMWILL STILL WORK AND ALLOW THE VEHICLE TO BE STOPPED, BUT OVER A GREATERDISTANCE. PARTIAL LOSS OF THE BRAKING SYSTEM AT A TIME WHEN MINIMUM STOPPINGDISTANCE IS REQUIRED COULD RESULT IN A VEHICLE ACCIDENT WITHOUT PRIOR WARNING.

Vehicles covered by this recall

• 1983 Buick Century
• 1983 Buick Skyhawk
• 1983 Buick Skylark
• 1983 Cadillac Cimarron
• 1983 Chevrolet Cavalier
• 1983 Chevrolet Celebrity
• 1983 Chevrolet Citation
• 1983 Oldsmobile Ciera
• 1983 Oldsmobile Cutlass
• 1983 Oldsmobile Firenza
• 1983 Oldsmobile Omega
• 1983 Pontiac 6000
• 1983 Pontiac J2000
• 1983 Pontiac Phoenix

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.