{"vehicle":{"id":"1990_buick_roadmaster","year":1990,"make":"Buick","model":"Roadmaster"},"as_of":"2026-10-19","counts":{"count":1,"by_type":[{"id":"service_bulletin","name":"Service bulletin","count":1}],"components":[{"id":"automatic-transmission","name":"Automatic transmission","count":1},{"id":"powertrain","name":"Transmission and driveline","count":1}],"codes":[],"topics":[]},"bulletins":[{"nhtsa_id":634999,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-11","date":"2005-08-01","document_id":"020730024A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT","summary":"DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634999"}],"next_cursor":null,"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":[]}