{"nhtsa_id":634953,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-10","date":"2002-07-01","document_id":"020729006","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT THAT A FLUTTERING OR WIND NOISE IS HEARD WHILE DRIVING IN 5TH GEAR ABOVE 40 MPH. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634953","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CTS","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_cadillac_cts"]}],"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":[]}