{"nhtsa_id":10170923,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-04","date":"2020-01-13","document_id":"SSM 48445","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Some 2017-2018 F-150 vehicles built on or before 10-Jul-2018 and 2018-2019 Expedition/Navigator vehicles built on or before 8-Apr-2019 with 3.5L EcoBoost may exhibit tick, tap, or rattle type noises from top of engine front cover for 2-5 seconds after a cold start. Replace all 4 VCT units (6256/6C525) and update the PCM calibration. Do not replace other camshaft timing related components unless inspection identifies a concern. Refer to the Workshop Manual, Section 303-01. Claim labor to replace VCTs using published labor operations and PCM programming using M-time. Dealers should order parts only when required to complete a repair. Once the parts are ordered, the vehicle may be returned to the customer to drive. This condition does not affect long term durability or performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170923-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10170923-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10170923","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_ford_f-150","2018_ford_f-150"]}],"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":[]}