HowTune

1987 GMC B6p042 Recalls

Recall Description

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

Possible Effects

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

Action

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

Notes

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

Recall Manufacture Dates

1985-09-01 - 1989-04-01

Vehicles Affected

21558
Recall 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.

Possible Effects

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

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.

Recall Manufacture Dates

1982-10-01 - 1987-06-01

Vehicles Affected

7870
Recall Description

MELTING OF THE AIR BRAKE LINES CAN OCCUR WHERE THE AIR LINES ROUTE UNDER THE LEFT HAND FRAME RAIL NEAR THE EXHAUST PIPE.

Possible Effects

THIS COULD RESULT IN PARTIAL OR TOTAL LOSS OF SERVICEBRAKES WITHOUT WARNING, WHICH COULD LEAD TO A VEHICLE CRASH.

Action

REROUTE AIR LINE HARNESS AWAY FROM THE EXHAUST SYSTEM; REPLACE HARNESS IF HEAT DETERIORATION HAS OCCURED.

Notes

SYSTEM: AIR BRAKE LINES.VEHICLE DESCRIPTION: COWL MODEL SCHOOL BUSES WITH AIR BRAKES AND GASOLINEENGINES.

Recall Manufacture Dates

1987-02-01 - 1988-03-01

Vehicles Affected

1503

All b6p042 Recalls

Other GMC Recalls