{"nhtsa_id":10042504,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-12-13","date":"2011-11-01","document_id":"FSB-261-032","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"MACK TRUCK: EXPANSION TANKS MAY HAVE PERSISTENT COOLANT LEAKS THAT REQUIRES INSPECTION. EXAMINE EXPANSION TANK FOR BURN HOLE/MARK UNDER PRESSURE CAP THAT ENABLES HOT COOLANT TO ENTER EXPANSION AREA. MODELS CHU, CXU, GU AND TD. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10042504","components":[],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GRANITE (GU)","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2010,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CHU)","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CXU)","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD713","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD714","year_from":2010,"year_to":2010,"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":[]}