{"nhtsa_id":10164426,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-09-06","date":"2019-08-26","document_id":"TSB 19-2252","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some 2013-2018 F-150/Expedition/Navigator vehicles equipped with four wheel drive (4WD) may exhibit an intermittent grinding noise while driving in two wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to replace the worn vacuum and/or IWE components.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164426-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10164426-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10164426","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPEDITION","year_from":2013,"year_to":2017,"match":"exact","vehicle_ids":["2013_ford_expedition","2014_ford_expedition","2015_ford_expedition","2016_ford_expedition","2017_ford_expedition"]},{"make":"FORD","model":"F-150","year_from":2013,"year_to":2018,"match":"exact","vehicle_ids":["2013_ford_f-150","2014_ford_f-150","2015_ford_f-150","2016_ford_f-150","2017_ford_f-150","2018_ford_f-150"]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":2013,"year_to":2017,"match":"exact","vehicle_ids":["2013_lincoln_navigator","2014_lincoln_navigator","2015_lincoln_navigator","2016_lincoln_navigator","2017_lincoln_navigator"]}],"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":[]}