{"nhtsa_id":10025323,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-07-29","date":"2008-06-27","document_id":"508-1","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"PETERBILT SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. 508-1 DANA D46-170P AXLE HOUSING THICKNESS. THIS FIELD REPAIR NOTICE IS APPLICABLE TO PETERBILT VEHICLES WITH A DANA D46-170P REAR AXLE. MODEL VEHICLES AND MODEL YEARS UNKNOWN. CSC WAS RECEIVED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10025323","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"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":[]}