OFFICIAL NHTSA RECALL
86V086000
Service Brakes, Hydraulic:fluid
Reported Jul 7, 1986 · GENERAL MOTORS CORP.
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
Not supplied in the source record.
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.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗