GMC B6P042 1986: SERVICE BRAKES, HYDRAULIC:FLUID

Make : GMC Model : B6P042 Year : 1986
Build Dates : 1982-10-01 - 1986-01-01
NHTSA CAMPAIGN ID Number : 86V086000
Date Owner's Notified: 1986-08-15 Date Received by ODI: 1986-07-07 Date Added to Database: 1986-07-11
Manufacturers Involved: General Motors LLC
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: SERVICE BRAKES, HYDRAULIC:FLUID
Potential Number Of Units Affected : 4299
Summary:
      SEVERE BRAKE CHATTER MAY CAUSE THE BRAKE CHAMBER MOUNTING BRACKETS ON EITHER SIDE TO DEVELOP CRACKS IN THE WELD AREA WHERE THE S-CAM SHAFT TUBE ATTACHES TO THE CHAMBER SUPPORT SECTION. CONSEQUENCE OF DEFECT: BRACKETS CAN BREAK, RESULTING IN LOSS OF BRAKING ABILITY AT THE FRONT WHEEL, AND POSSIBLY RESTRICT STEERING, WHICH COULD LEAD TO A VEHICLE CRASH WITHOUT PRIOR WARNING.
Consequence:
     
Remedy:
      AS NECESSARY, REPLACE FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE.
Report Initiator: MFR V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      SYSTEM: BRAKES. VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH A 7500 LB. FRONT AXLE AND WITHOUT A FRONT BRAKE LIMITING VALVE.