{"nhtsa_id":10027264,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-01-13","date":"2008-10-10","document_id":"SB-12-1043","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:REAR; SUSPENSION","mfr_system":null,"summary":"MACK TRUCK: SUSPENSION CROSSMEMBERS, PRIMAAX REAR SUSPENSION. MODELS EQUIPPED WITH THE HENDRICKSON PRIMAAX REAR AIR SUSPENSION MAY DEVELOP A CRACK IN THE RADIUS OF THE LOWER END GUSSET. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10027264","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHN","year_from":2006,"year_to":2008,"match":"exact","vehicle_ids":["2006_mack_chn","2007_mack_chn","2008_mack_chn"]},{"make":"MACK","model":"CHU","year_from":2006,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXN","year_from":2006,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXP","year_from":2006,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2006,"year_to":2008,"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":[]}