{"nhtsa_id":10042850,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-01-18","date":"2011-10-17","document_id":"TCH-003-027","mfr_campaign":null,"replaces":null,"component":"PARKING BRAKE; SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE","mfr_system":null,"summary":"BENDIX: INFORMATION PERTAINING TO FUNCTION AND PURPOSE OF CONVERTER DOLLY AIR SYSTEMS AND VENTED CUT OUT COCKS ON TOWING TRAILER BRAKE SYSTEMS USING THE SYNCHRO VALVE. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10042850","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"BENDIX","model":"SR-4","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":[]}