OFFICIAL NHTSA RECALL
90V077000
Service Brakes, Hydraulic:power Assist:vacuum
Reported Apr 19, 1990 · BLUE BIRD BODY COMPANY
Summary
BENDIX HYDRAULIC BRAKE BOOSTER MAY MALFUNCTION UNDER CERTAIN COMBINATIONS OF FLUID TEMPERATURE AND BRAKE PEDAL FORCE.
Consequence
THIS WOULD CAUSE THE BRAKE BOOSTER TO SELF-APPLY AND RESULT IN FULL BRAKE APPLICATION, WITHOUT WARNING, WHICH COULD RESULT IN AN ACCIDENT.
Remedy
REPLACE HYDRAULIC BRAKE BOOSTER.
Notes
SYSTEM: HYDRAULIC BRAKE BOOSTER.VEHICLE DESCRIPTION: SCHOOL BUSES WITH HYDRAULIC BRAKES.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗