{"nhtsa_id":10025308,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-07-28","date":"2008-06-27","document_id":"408-1","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"PETERBILT SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. 408-1 CLEAN GAS INDUCTION (CGI) AND MAIN EXHAUST PIPE COUPLINGS. THIS FIELD REPAIR NOTICE IS APPLICABLE TO PETERBILT VEHICLES BUILT WITH CATERPILLAR 2007 EMISSIONS COMPLIANT ENGINES. CERTAIN VEHICLES WITH 2007 EMISSION COMPLIANT CATERPILLAR ENGINES HAVE PIPE COUPLINGS LOCATED IN THE CLEAN GAS INDUCTION (CGI) AND THE MAIN EXHAUST SYSTEM THAT MAY PREMATURELY FAIL. CSC WAS RECEIVED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10025308","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PETERBILT","model":"PETERBILT","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":[]}