{"nhtsa_id":10090988,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-02-09","date":"2016-10-26","document_id":"SSM 46150","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"SOME 2015-2017 F-150 VEHICLES MAY EXHIBIT POOR HEATER PERFORMANCE CAUSED BY RESTRICTED HEATER CORES. EXTENSIVE USE OF THE BLOCK HEATER MAY INCREASE COOLING SYSTEM DEPOSITS WHICH CONTRIBUTE TO HEATER CORE RESTRICTIONS. IT IS RECOMMENDED TO PLUG IN THE BLOCK HEATER FOR 1 2 HOURS BEFORE STARTING ENGINE WHEN AMBIENT TEMPERATURES ARE -15 DEGREES C (0 DEGREES F) OR LOWER.","document":null,"url":"https://open.wenmarpro.com/bulletins/10090988","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2015,"year_to":2017,"match":"exact","vehicle_ids":["2015_ford_f-150","2016_ford_f-150","2017_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":[]}