{"nhtsa_id":10000081,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-02-12","date":"2005-12-01","document_id":"990421005","mfr_campaign":null,"replaces":"990421005E","component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","mfr_system":null,"summary":"TRANSFER CASE SHUDDER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000081","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"ASTRO","year_from":1999,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAFARI","year_from":1999,"year_to":2005,"match":"exact","vehicle_ids":["1999_gmc_safari","2000_gmc_safari","2001_gmc_safari","2002_gmc_safari","2003_gmc_safari","2004_gmc_safari","2005_gmc_safari"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":1999,"year_to":2001,"match":"exact","vehicle_ids":["1999_oldsmobile_bravada","2000_oldsmobile_bravada","2001_oldsmobile_bravada"]}],"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":[]}