{"nhtsa_id":10040724,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-09-12","date":"2011-06-01","document_id":"SP-263-047","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"MACK TRUCKS: THERE MAY BE INCORRECT TORQUE SPECIFICATIONS ON THE FAN HUB ASSEMBLY. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10040724","components":[{"id":"engine","name":"Engine","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CXU","year_from":2006,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CXU)","year_from":2011,"year_to":2012,"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":[]}