{"source":"tc","country":"ca","campaign":"1985102","date":"1985-09-13","owner_notified":null,"manufacturer":null,"component":null,"summary":"WHEN THE TRACTOR BRAKES ARE APPLIED, THE TRAILER BRAKES MAY NOT REACT SIMULTANEOUSLY WITH THE TRACTOR.  THIS CONDITION IS DUE TO TO A VALVE NOT RELEASING PROPER AIR VOLUME TO THE BRAKE.","consequence":null,"remedy":null,"notes":null,"mfr_campaign":"SCI69","part_number":null,"units":186,"completion":null,"do_not_drive":null,"park_outside":null,"notification":"Safety Mfr","french":{"component":null,"notification":"Sécurité - fabricant","summary":"Quand Ia pédale de freinage du tracteur est sollicitée, les freins du tracteur et ceux de Ia remorque ne répondent pas simultanément. Cela est dû à une soupape qui ne fournit pas le volume d'air exigié par le circuit de freinage."},"vehicles":[{"year":1982,"make":"MACK","model":"MH","vehicle_id":"1982_mack_mh","match":"exact","built_from":null,"built_to":null},{"year":1983,"make":"MACK","model":"MH","vehicle_id":"1983_mack_mh","match":"exact","built_from":null,"built_to":null},{"year":1984,"make":"MACK","model":"MH","vehicle_id":"1984_mack_mh","match":"exact","built_from":null,"built_to":null}],"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":["Contains information licensed under the Open Government Licence – Canada."],"url":"https://open.wenmarpro.com/recalls/tc/1985102"}