{"nhtsa_id":10040084,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-08-16","date":"2011-03-01","document_id":"SP-252-001","mfr_campaign":null,"replaces":"SP-252-001-03","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"MACK: PROCEDURE TO FIX THE AN INSULATION BLANKET IN THE EXHAUST SYSTEM THAT CAN DETERIORATE OVER TIME. *RM UPDATED 9/12/11. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10040084","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"exhaust-pipe","name":"Exhaust manifold, pipes and muffler","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2006,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2006,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2006,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU7","year_from":2006,"year_to":2007,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CHU)","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CXU)","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD713","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD714","year_from":2008,"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":[]}