{"nhtsa_id":11034017,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-22","date":"2026-06-16","document_id":"SSM 54939","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some 2020-2026 Corsair/Escape, 2021-2026 Bronco Sport, and 2022-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph (100 km/h), with no relevant diagnostic trouble codes (DTC) stored in the powertrain control module (PCM). Sometimes, this may be perceived/felt as an engine misfire. This may be due to the torque converter. If Pinpoint Test K: Torque Converter Clutch Operation in Workshop Manual (WSM), Section 307-01 > Diagnosis and Testing > Diagnosis by Symptom directs to replace the torque converter, remove and replace the torque converter and torque converter seal. Refer to WSM, Section 307-01 > Removal and Installation > Torque Converter Seal. Remove the main control valve body. Refer to WSM, Section 307-01 > Removal and Installation > Main Control Valve Body. Overhaul and thoroughly clean the main control valve body. Refer to WSM, Section 307-01 > Overhaul > Main Control Valve Body. Reverse the removal procedure to reassemble the transmission. Install the transmission. Refer to WSM, Section 307-01 > Installation. For claim","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034017-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034017-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034017","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"BRONCO SPORT","year_from":2021,"year_to":2026,"match":"exact","vehicle_ids":["2021_ford_bronco-sport","2022_ford_bronco-sport","2023_ford_bronco-sport","2024_ford_bronco-sport","2025_ford_bronco-sport","2026_ford_bronco-sport"]},{"make":"FORD","model":"ESCAPE","year_from":2020,"year_to":2026,"match":"exact","vehicle_ids":["2020_ford_escape","2021_ford_escape","2022_ford_escape","2023_ford_escape","2024_ford_escape","2025_ford_escape","2026_ford_escape"]},{"make":"FORD","model":"MAVERICK","year_from":2022,"year_to":2026,"match":"exact","vehicle_ids":["2022_ford_maverick","2023_ford_maverick","2024_ford_maverick","2025_ford_maverick","2026_ford_maverick"]},{"make":"LINCOLN","model":"CORSAIR","year_from":2020,"year_to":2026,"match":"exact","vehicle_ids":["2020_lincoln_corsair","2021_lincoln_corsair","2022_lincoln_corsair","2023_lincoln_corsair","2024_lincoln_corsair","2025_lincoln_corsair","2026_lincoln_corsair"]}],"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":[]}