{"nhtsa_id":10058014,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-07-23","date":"2015-04-01","document_id":"722-003-01","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"MACK TRUCKS INC.: FIELD SERVICE BULLETIN TRUCKS: THE TWIN Y SUSPENSION, AIR SPRING REQUIRES REPLACEMENT ON SOME MACK TRUCKS BUILT BETWEEN 3/30/2015 ON CERTAIN APPLICATIONS CHU, CXU, GU,TD. *LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10058014","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","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":[]}