{"nhtsa_id":10191176,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-04","date":"2021-04-15","document_id":"TSB 21-2119","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Some 2017-2020 F-150 2018-2020 Expedition/Navigator vehicles built on or before 31-Oct-2019 and equipped with a 3.5L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to a worn variable cam timing (VCT) unit. To correct the condition, follow the Service Procedure steps to replace the VCT units.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191176-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10191176-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10191176","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPEDITION","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_ford_expedition","2019_ford_expedition","2020_ford_expedition"]},{"make":"FORD","model":"F-150","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_ford_f-150","2018_ford_f-150","2019_ford_f-150","2020_ford_f-150"]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_lincoln_navigator","2019_lincoln_navigator","2020_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":[]}