{"nhtsa_id":10055166,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-04-18","date":"2014-02-01","document_id":"SP-252-030","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"VOLVO TRUCKS: UNDER CERTAIN CONDITIONS, THE FIBER LAYER IN FLEX PIPE BETWEEN DPF AND ENGINE TURBOCHARGER, CAN DETERIORATE AND DRAWN INTO EXHAUST STREAM LEADING TO PLUGGED DPF. MODEL VN. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055166","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"VOLVO","model":"VN","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":[]}