{"nhtsa_id":601769,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-08-24","date":"1998-04-01","document_id":"10001","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601769","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"CENTURY","year_from":1997,"year_to":1998,"match":"exact","vehicle_ids":["1997_buick_century","1998_buick_century"]},{"make":"BUICK","model":"LESABRE","year_from":1992,"year_to":1998,"match":"exact","vehicle_ids":["1992_buick_lesabre","1993_buick_lesabre","1994_buick_lesabre","1995_buick_lesabre","1996_buick_lesabre","1997_buick_lesabre","1998_buick_lesabre"]},{"make":"BUICK","model":"PARK AVENUE","year_from":1991,"year_to":1998,"match":"exact","vehicle_ids":["1991_buick_park-avenue","1992_buick_park-avenue","1993_buick_park-avenue","1994_buick_park-avenue","1995_buick_park-avenue","1996_buick_park-avenue","1997_buick_park-avenue","1998_buick_park-avenue"]},{"make":"BUICK","model":"REGAL","year_from":1993,"year_to":1998,"match":"exact","vehicle_ids":["1993_buick_regal","1994_buick_regal","1995_buick_regal","1996_buick_regal","1997_buick_regal","1998_buick_regal"]},{"make":"BUICK","model":"RIVIERA","year_from":1992,"year_to":1993,"match":"exact","vehicle_ids":["1992_buick_riviera","1993_buick_riviera"]},{"make":"BUICK","model":"RIVIERA","year_from":1994,"year_to":1994,"match":null,"vehicle_ids":[]},{"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"]}],"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":[]}