{"nhtsa_id":39954,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1995-03-01","document_id":"RCL/SC248","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DRIVESHAFT","mfr_system":null,"summary":"THE DRIVESHAFT CENTER BEARING HANGER BRACKET(S) USED TO MOUNT THE CENTER BEARING SUPPORT ASSEMBLY ON CH MODEL CHASSIS MAY CRACK AND SUBSEQUENTLY BREAK DUE TO BENDING FATIGUE. TO PREVENT DAMAGE, REPLACEMENT OF THE CENTER BEARING HANGER BRACKET(S) IS NECESSARY. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39954","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"driveshaft","name":"Driveshaft","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CH","year_from":null,"year_to":null,"match":"exact","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":[]}