{"nhtsa_id":10237783,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-06-13","date":"2023-06-09","document_id":"TSB 23-2019","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS","mfr_system":null,"summary":"Some 2021-2023 Bronco vehicles equipped with a MT88 manual transmission may experience a rotational scraping noise while the transmission is in neutral, 1st or 2nd gear with the clutch pedal released and may be more noticeable in ambient temps below 10°C (50°F) and after a cold soak. This noise may diminish as the transmission warms up. This may be due to the 5th and 6th gear synchronizer rings. To correct the condition, follow the Service Procedure to replace the 5th and 6th gear synchronizer rings.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237783-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10237783-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10237783","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO","year_from":2021,"year_to":2023,"match":"exact","vehicle_ids":["2021_ford_bronco","2022_ford_bronco","2023_ford_bronco"]}],"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":[]}