{"nhtsa_id":631911,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-06-25","date":"2002-01-01","document_id":"020730003","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"SUBJECT REGARDING ENGINEERING CHANGES TO REACTION SHELL THRUST WASHER AND USE OF NEW SERVICE KIT FOR 2001 AND PRIOR CAMARO, CORVETTE, FIREBIRD, SILVERADO, TAHOE, SUBURBAN, SIERRA, YUKON, EXPRESS, SAVANA, ASTRO, SAFARI, S10, BLAZER, SONOMA, JIMMY, AND BRAVADA. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/631911","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"GMC","model":"GM","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}