{"nhtsa_id":10032346,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-03-10","date":"2008-01-21","document_id":"SC-331","mfr_campaign":null,"replaces":null,"component":"TRAILER HITCHES:FIFTH WHEEL ASSEMBLY; SUSPENSION:FRONT:KING PIN","mfr_system":null,"summary":"MACK TRUCK: CERTAIN MACK MODEL CHASSIS MANUFACTURED BETWEEN 1/9/06-7/23/07 HAS BEEN DETERMINED THE LOCK LEVER ARM PIVOT BOLT MAY HAVE BEEN OVER TIGHTENED AT ASSEMBLY. MODELS CXU, CXN, CXP, CHN, CTP, CT, CV, CL AND GU. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032346","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"trailer-hitch","name":"Trailer hitch","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FIFTH WHEEL","model":"SIMPLEX","year_from":null,"year_to":null,"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":[]}