{"nhtsa_id":10083538,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-26","date":"2014-02-06","document_id":"FSB 284-048","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"SOME MACK VEHICLES WITH MP ENGINES BUILT BETWEEN JANUARY 2004 AND JANUARY 2013 MAY EXPERIENCE A MAIN OIL GALLERY PRESSURE SENSOR OR PISTON COOLING JET PRESSURE SENSOR FAILURE THAT LEADS TO OIL CONTAMINATION INTO THE ENGINE WIRE HARNESS.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083538","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2007,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2007,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2008,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"LEU","year_from":2007,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MRU","year_from":2007,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD","year_from":2009,"year_to":2014,"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":[]}