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GMC B6P042 Recall 84V134: Service Brakes, Hydraulic:Power Assist:Hydraulic

NHTSA campaign 84V134, reported October 16, 1984, 1,436 vehicles potentially affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 84V134GENERAL MOTORS CORP.
Component
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
Problem
VEHICLES HAVE A PRIMARY AND A RESERVE BRAKING SYSTEM. IF THE PRIMARY BRAKE SYSTEM BOOSTER FAILS, UNDER SOME CIRCUMSTANCES THE RESERVE SYSTEM MAY ALSO MALFUNCTION AND BRAKING ABILITY WILL BE IMPAIRED.
Risk
Remedy
DEALER WILL INSTALL A NEW RESERVE BRAKE CONTROL MODULE AT NO COST TO OWNER.
Notes
VEHICLE DESCRIPTION: SCHOOL BUSES AND FORWARD CONTROL CHASSIS TRUCKS EQUIPPEDWITH HYPOWER DUAL HYDRAULIC BRAKE SYSTEMS.SYSTEM: SERVICE BRAKES; HYDRAULIC BRAKE SYSTEM, RESERVE BRAKES SYSTEMELECTRONIC CONTROL MODULE.CONSEQUENCES OF DEFECT: A REDUCTION OF BRAKING ABILITY IN A SITUATION WHENMINIMUM STOPPING DISTANCE IS REQUIRED COULD RESULT IN AN ACCIDENT WITHOUT PRIORWARNING.

Affected vehicles

Chevrolet B6P042198219831984
GMC B6P042198219831984
GMC P6T042198219831984