{"source":"tc","country":"ca","campaign":"1999095","date":"1999-05-19","owner_notified":null,"manufacturer":null,"component":"Brakes","summary":"On certain vehicles, a control valve in the vacuum hose connecting the brake booster to the intake manifold may not open or close fully at temperatures below -4 degrees F.  This condition could cause insufficient vacuum to be provided to the brake booster resulting in possible loss of power brake assist.  Correction:  A vacuum by-pass system will be installed on affected vehicles.","consequence":null,"remedy":null,"notes":null,"mfr_campaign":"UH/KU","part_number":null,"units":9000,"completion":null,"do_not_drive":null,"park_outside":null,"notification":"Safety TC","french":{"component":"Freins","notification":"Sécurité - TC","summary":"Sur certains véhicules, il se peut qu’un robinet de commande monté sur le tuyau à dépression qui relie le servo de freinage à la tubulure d’admission ne s’ouvre pas et ne se ferme pas complètement à des températures inférieures à -4 oF. La dépression serait alors insuffisante au niveau du servo de freinage, ce qui peut entraîner une perte de puissance des servo-freins.  Correction : Une dérivation au circuit de dépression devra être posée sur les véhicules visés."},"vehicles":[{"year":1997,"make":"AUDI","model":"A6","vehicle_id":"1997_audi_a6","match":"exact","built_from":null,"built_to":null},{"year":1998,"make":"AUDI","model":"A6","vehicle_id":"1998_audi_a6","match":"exact","built_from":null,"built_to":null},{"year":1999,"make":"AUDI","model":"A6","vehicle_id":"1999_audi_a6","match":"exact","built_from":null,"built_to":null},{"year":1998,"make":"VOLKSWAGEN","model":"PASSAT","vehicle_id":"1998_volkswagen_passat","match":"exact","built_from":null,"built_to":null},{"year":1999,"make":"VOLKSWAGEN","model":"PASSAT","vehicle_id":"1999_volkswagen_passat","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/1999095"}