{"nhtsa_id":10200217,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-09","date":"2015-10-30","document_id":"FSB 257 003","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)","mfr_system":null,"summary":"Crankcase Ventilation Tube Heater. For customer operating vehicles in extreme cold temperatures, Mack Trucks has developed a device that will prevent the crankcase ventilation (CCV) tube from building up ice and freezing over which could lead to engine damage.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10200217-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10200217-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200217","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"pcv","name":"Crankcase ventilation (PCV)","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CLASS 7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CLASS 8","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}