{"nhtsa_id":10160869,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-06-05","date":"2019-05-09","document_id":"TSB19-2140","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Some 2018-2019 F-150 and Mustang vehicles equipped with a 5.0L engine built on or before 30-Apr-2019 may exhibit a chirping type noise from the upper engine front cover area at warm or hot idle. This noise may sound similar to a front engine accessory drive (FEAD) chirp noise. This may be due to the primary timing chain tensioner oil pressure relief valve. To correct the condition, replace the primary timing chain tensioners. Follow the Service Procedure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160869-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160869-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160869","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_ford_f-150","2019_ford_f-150"]},{"make":"FORD","model":"MUSTANG","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_ford_mustang","2019_ford_mustang"]}],"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":[]}