Known Recalls

Recall campaign · NHTSA 86V086000

Service brakes, hydraulic: fluid

GENERAL MOTORS CORP. filed this campaign with NHTSA on 1986-07-07.

Recall campaignNHTSA 86V086000

Service brakes, hydraulic: fluid

Component
Service brakes, hydraulic: fluid
Manufacturer
GENERAL MOTORS CORP.
Vehicles affected
4,299
Reported to NHTSA
1986-07-07
Owners notified
1986-08-15

Defect description

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.

Manufacturer remedy

AS NECESSARY, REPLACE FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE.

Notes

SYSTEM: BRAKES. VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH A 7500 LB. FRONT AXLE AND WITHOUT A FRONT BRAKE LIMITING VALVE.

Scope of coverage

8 model years across 2 models.

ModelYears on record
Chevrolet B6P0421986 1985 1984 1983
GMC B6P0421986 1985 1984 1983

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.