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Chevrolet G-20 Recall 92V127: Service Brakes, Hydraulic:Power Assist

NHTSA campaign 92V127, reported September 3, 1992, 246 vehicles potentially affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 92V127GENERAL MOTORS CORP.
Component
SERVICE BRAKES, HYDRAULIC:POWER ASSIST
Problem
THE BRAKE PEDAL ASSEMBLY HAS A PUSHROD PIN THAT IS TOO SMALL AND IT IS INSTALLED IN THE WRONG POSITION, CAUSING AN INCREASED BRAKE PEDAL RATIO AND A DECREASED MASTER CYLINDER STROKE.
Risk
THE REDUCED MASTER CYLINDER STROKE RESULTS IN FAILURE TOMEET THE PARTIAL SYSTEM FAILURE REQUIREMENTS OF FMVSS 105, "HYDRAULIC BRAKESYSTEMS". A FURTHER REDUCTION IN BRAKING ABILITY AT A TIME WHEN PARTIAL SYSTEMFAILURE HAS OCCURRED COULD RESULT IN A VEHICLE CRASH.
Remedy
REPLACE THE BRAKE ASSEMBLY.
Notes
SYSTEM: BRAKES: BRAKE PEDAL ASSEMBLY; FMVSS 105.VEHICLE DESCRIPTION: VANS EQUIPPED WITH VACUUM POWER BRAKES.NOTE: FMVSS 105 REQUIRES THAT HYDRAULIC BRAKE SYSTEMS HAVE AN EMERGENCY FEATUREWHICH STOPS THE VEHICLE UNDER SPECIFIED CONDITIONS. ALL HYDRAULIC BRAKE SYSTEMSARE DESIGNED WITH A SPLIT SYSTEM. EACH SPLIT WORKS INDEPENDENTLY FROM THE OTHER.THE PARTIAL SYSTEM FAILURE TEST OF THE FMVSS IS PERFORMED WITH ONE OF THE SPLITSYSTEMS INOPERATIVE.

Affected vehicles

Chevrolet G-201992
Chevrolet G101992
Chevrolet G301992
GMC G151992
GMC G251992
GMC G351992