{"nhtsa_id":10008381,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-07-29","date":"2004-06-30","document_id":"1802804","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER","mfr_system":null,"summary":"FLASH: 4.0L TORQUE CONVERTER LOCK-UP FEATURE. *MJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10008381","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"torque-converter","name":"Torque converter","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_jeep_grand-cherokee"]}],"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":[]}