{"nhtsa_id":631903,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-06-25","date":"2001-12-01","document_id":"010730033A","mfr_campaign":null,"replaces":"070730033","component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"INFORMATION REGARDING THE 4L30-E AUTOMATIC TRANSMISSION SERVICE POLICY PROCEDURE. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/631903","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CATERA","year_from":1997,"year_to":2001,"match":"exact","vehicle_ids":["1997_cadillac_catera","1998_cadillac_catera","1999_cadillac_catera","2000_cadillac_catera","2001_cadillac_catera"]}],"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":[]}