{"nhtsa_id":45926,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1996-04-25","date":"1995-08-01","document_id":"FRT497","mfr_campaign":null,"replaces":"9503","component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE","mfr_system":null,"summary":"MEDIUM TRUCKS WITH CAB-MOUNTED EXHAUST STACK MAY EXPERIENCE THE EXHAUST STACK ATTACHMENTS BREAKING OUT OF THE B-PILLAR SKIN. IF THE B-PILLAR IS CRACKED, REMOVE AND REPLACE IT WITH A NEW B-PILLAR. MODIFY THE INSTALLATION TO A 4-POINT ATTACHMENT INSTEAD OF THE CURRENT 2 POINT VERSION. *SD","document":null,"url":"https://open.wenmarpro.com/bulletins/45926","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":"FREIGHTLINER","model":"FREIGHTLINER","year_from":null,"year_to":null,"match":"exact","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":[]}