{"source":"nhtsa","country":"us","campaign":"99V131001","date":"1999-05-21","owner_notified":"1999-10-09","manufacturer":"VOLKSWAGEN OF AMERICA,INC","component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS","summary":"VEHICLE DESCRIPTION:  PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS.   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 F UNDER CERTAIN DRIVING CONDITIONS.","consequence":"THIS CONDITION COULD CAUSE INSUFFICIENT VACUUM TO BE PROVIDED TO THE BRAKE BOOSTER.","remedy":"DEALERS WILL INSTALL A VACUUM BY-PASS SYSTEM INTO VEHICLES OPERATED IN THESE STATES WHICH IS DESIGNED TO PROVIDE SUFFICIENT VACUUM FOR FULL BRAKE ASSIST UNDER ALL WEATHER CONDITIONS.","notes":"OWNER NOTIFICATION BEGAN OCTOBER 9, 1999.OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT VW AT 1-800-822-8987 OR AUDI AT 1-800-822-2834.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).","mfr_campaign":"UH/KU","part_number":null,"units":88121,"completion":null,"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":1997,"make":"AUDI","model":"A4","vehicle_id":"1997_audi_a4","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"},{"year":1998,"make":"AUDI","model":"A4","vehicle_id":"1998_audi_a4","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"},{"year":1999,"make":"AUDI","model":"A4","vehicle_id":"1999_audi_a4","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"},{"year":1998,"make":"AUDI","model":"A6","vehicle_id":"1998_audi_a6","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"},{"year":1999,"make":"AUDI","model":"A6","vehicle_id":"1999_audi_a6","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"},{"year":1998,"make":"VOLKSWAGEN","model":"PASSAT","vehicle_id":"1998_volkswagen_passat","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"},{"year":1999,"make":"VOLKSWAGEN","model":"PASSAT","vehicle_id":"1999_volkswagen_passat","match":"exact","built_from":"1997-10-01","built_to":"1999-02-28"}],"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/99V131001"}