{"nhtsa_id":10032345,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-03-10","date":"2008-01-11","document_id":"SC-336","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE","mfr_system":null,"summary":"MACK TRUCK: SPRING BRAKE MODULATING RELAY (BENDIX SR-7) VALVE. A MANUFACTURING DEFECT EXISTS IN THE CAST METAL BODY OF CERTAIN SPRING BRAKE MODULATING RELAY (BENDIX SR-7) VALVES. SUSPECT VALVES WERE MANUFACTURED BY BENDIX COMMERCIAL VEHICLE SYSTEMS LLC BETWEEN 4/1/06 - 5/24/06. MODELS CXN, CHN, CTP, CT, CV, MR AND LE 4/5/06-6/5/06. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032345","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENDIX","model":"SR-7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"BENDIX","model":"TRAILER SPRING BRAKE","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":[]}