{"nhtsa_id":10032350,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-03-10","date":"2008-01-10","document_id":"SB-214052","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"MACK TRUCK: EXHAUST MANIFOLDS WITH STAINLESS STEEL SEAL RINGS-CXP AND CTP MODELS EQUIPPED WITH US04 EMISSION COMPLIANT MP7 ENGINES. TO PROVIDE IMPROVED SEALING AT THE EXHAUST MANIFOLD JOINTS, A REVISED EXHAUST MANIFOLD ASSEMBLY (PART NO. 21113789) WHICH UTILIZES STAINLESS STEEL SEAL RINGS AT THE SLIP JOINTS, IS AVAILABLE THROUGH THE MACK PARTS SYSTEM. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032350","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":"CTP","year_from":2006,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXP","year_from":2006,"year_to":2008,"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":[]}