{"source":"nhtsa","country":"us","campaign":"90V077000","date":"1990-04-19","owner_notified":"1990-02-19","manufacturer":"BLUE BIRD BODY COMPANY","component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM","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.","mfr_campaign":null,"part_number":null,"units":308,"completion":null,"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":1989,"make":"BLUE BIRD","model":"TC2000","vehicle_id":"1989_blue-bird_tc2000","match":"exact","built_from":"1989-03-01","built_to":"1989-11-01"},{"year":1990,"make":"BLUE BIRD","model":"TC2000","vehicle_id":"1990_blue-bird_tc2000","match":"exact","built_from":"1989-03-01","built_to":"1989-11-01"}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/90V077000"}