Chevrolet and Gmc Recall 87V121000: Service Brakes, Air, Drum, Chamber

NHTSA recall 87V121000 · announced August 3, 1987 · filed by General Motors Corp. · 7,870 units affected

The problem

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.

The risk

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.

What to do

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

Official NHTSA recall notice →

Notes

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

Vehicles covered by this recall

• 1983 Chevrolet B6p042
• 1984 Chevrolet B6p042
• 1985 Chevrolet B6p042
• 1986 Chevrolet B6p042
• 1987 Chevrolet B6p042
• 1983 Gmc B6p042
• 1984 Gmc B6p042
• 1985 Gmc B6p042
• 1986 Gmc B6p042
• 1987 Gmc B6p042

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.