{"nhtsa_id":10032617,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-04-20","date":"2010-02-01","document_id":"TSB-021","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:DRIVELINE","mfr_system":null,"summary":"KIA MOTORS: SOME VEHICLES WITH A 3.8L ENGINE MAY EXPERIENCE A BUMPING SYMPTOM DURING ENGAGEMENT OF THE DAMPER CLUTCH (TORQUE CONVERTER LOCK UP CLUTCH), AND A BUCKING SYMPTOM WHEN THE DAMPER CLUTCH IS FULLY ENGAGED. *PE UPDATED 8/16/10. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032617","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"RONDO","year_from":2009,"year_to":2009,"match":"exact","vehicle_ids":["2009_kia_rondo"]},{"make":"KIA","model":"SORENTO","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_kia_sorento","2008_kia_sorento","2009_kia_sorento"]}],"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":[]}