1986 GMC B6P042 recalls

NHTSA lists 3 model-level recall records for this year, make, and model. These records may apply to your vehicle; confirm your specific VIN with NHTSA or the manufacturer.

Recall records

Service brakes, air: Drum: Chamber08/03/198787V121000

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

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.

Remedy

AS NECESSARY, INSTALL NEW REINFORCED FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE ON VEHICLES WITHOUT ONE.

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

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Service brakes, hydraulic: Fluid07/07/198686V086000

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.

Remedy

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

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

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Fuel system, gasoline: Storage: Tank assembly: Filler pipe and cap05/08/198989V071000

A CRACK MAY DEVELOP ADJACENT TO THE FUEL TANK SEAM WELD ATTACHING THE TANK END CAP.

Consequence

THIS COULD RESULT IN A LEAK OR DRIPPING FROM THE FUELTANK WITH POTENTIAL FIRE HAZZARD.

Remedy

INSTALL LIMITER CUSHIONS ON THE TANK SUPPORT BRACKETS OR REPLACE TANK, IF NECESSARY.

SYSTEM: FUEL TANK.VEHICLE DESCRIPTION: SCHOOL BUS CHASSIS W/350 OR 366 CU. IN. GASOLINE ENGINES.

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