{"nhtsa_id":601408,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-08-03","date":"1998-05-01","document_id":"98737104A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION","mfr_system":null,"summary":"CONCERNS OF NOISE/VIBRATION/GROWL FROM FRONT OF VEHICLE ON RIGHT TURNS OR HARD ACCELERATION. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601408","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"PARK AVENUE","year_from":1997,"year_to":1998,"match":"exact","vehicle_ids":["1997_buick_park-avenue","1998_buick_park-avenue"]},{"make":"BUICK","model":"RIVIERA","year_from":1995,"year_to":1998,"match":"exact","vehicle_ids":["1995_buick_riviera","1996_buick_riviera","1997_buick_riviera","1998_buick_riviera"]},{"make":"OLDSMOBILE","model":"AURORA","year_from":1995,"year_to":1998,"match":"exact","vehicle_ids":["1995_oldsmobile_aurora","1996_oldsmobile_aurora","1997_oldsmobile_aurora","1998_oldsmobile_aurora"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}