{"nhtsa_id":10042753,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-01-10","date":"2011-09-16","document_id":"PIL-552","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:SUPPLY:GOVERNOR","mfr_system":null,"summary":"MERITOR: FIELD REPORTS RECEIVED REGARDING GOVERNOR INTERNAL SEAL DISC INTERMITTENTLY CAUSING THE GOVERNOR NOT TO EXHAUST AIR FROM UNLOADER LINE BY PREVENTING COMPRESSOR FROM BUILDING UP AND CUTTING IN. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10042753","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERITOR","model":"MERITOR","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":[]}