{"nhtsa_id":10109881,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-02","date":"2017-02-21","document_id":"TSB-BOD164","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; VISIBILITY:SUN/MOON ROOF ASSEMBLY","mfr_system":null,"summary":"TSB: SERVICE ACTION: PANORAMIC SUNROOF INSPECTION AND REPAIR (SA270) - This bulletin provides information on some 2016MY Optima (JFa) vehicles, produced from September 28, 2015 to August 8, 2016, which may exhibit a buzzing noise that may increase with intensity in conjunction with the HVAC fan speed, a popping or clicking noise when driving over bumps or turning, and/or a loose folding cover, depending on the vehicle production date. For details regarding each type of inspection/repair, refer to its respective section below. Before conducting the procedure, verify that the vehicle is included in the list of affected VINs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10109881-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10109881-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10109881","components":[{"id":"engine","name":"Engine","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"},{"id":"sunroof","name":"Sunroof","parent":"visibility"}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"OPTIMA","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_kia_optima"]}],"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":[]}