1985 CHEVROLET B6P042 Recalls

Item Affected: SERVICE BRAKES, AIR:DRUM:CHAMBER

Date Announced: 08/03/1987

Description of Recall: 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.

Conequence: BRACKETS CAN BREAK, RESULTING IN LOSS OF BRAKING ABILITYAT THAT FRONT WHEEL, AND POSSIBLY RESTRICTED STEERING, WHICH COULD LEAD TO AVEHICLE CRASH WITHOUT PRIOR WARNING.

Action Need To Fix It: AS NECESSARY, INSTALL NEW REINFORCED FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE ON VEHICLES WITHOUT ONE.

Notes: SYSTEM: BRAKESVEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH 7,500 LB. FRONT AXLE AND MEDIUMDUTY TRUCKS EQUIPPED WITH A 7,000 LB. FRONT AXLE.

Item Affected: SERVICE BRAKES, HYDRAULIC:FLUID

Date Announced: 07/07/1986

Description of Recall: 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.

Conequence:

Action Need To Fix It: 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.