Service Brakes, Hydraulic:power Assist

NHTSA recall 92V127000 · announced September 3, 1992 · filed by General Motors Corp. · 246 units affected

The 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.

The 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.

What to do

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.

Vehicles covered by this recall

• 1992 Chevrolet G10
• 1992 Chevrolet G20
• 1992 Chevrolet G30
• 1992 Gmc G15
• 1992 Gmc G25
• 1992 Gmc G35

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