{"nhtsa_id":52877,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-09-18","date":"1997-05-01","document_id":"BC105979705","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:CLUTCH ASSEMBLY","mfr_system":null,"summary":"UPDATE INFORMATION FOR 1997 4R44E AND 5R55E TRANSMISSIONS - THERE ARE TWO (2) DIFFERENT SIZE DIRECT CLUTCH STEEL PLATES WHEN SERVICING 4R44E OR 5R55E TRANSMISSIONS. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52877","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"clutch","name":"Clutch","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"AEROSTAR","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_ford_aerostar"]},{"make":"FORD","model":"EXPLORER","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_ford_explorer"]},{"make":"FORD","model":"RANGER","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_ford_ranger"]}],"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":[]}