{"nhtsa_id":10167927,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-11-18","date":"2012-09-06","document_id":"RD-00032","mfr_campaign":null,"replaces":null,"component":"SUSPENSION; STRUCTURE","mfr_system":null,"summary":"STOUGHTON TRAILER?s recommended maintenance procedure and interval for torqueing bolts connecting suspension to aluminum subframe. The proper suspension to aluminum subframe bolt torque on model years 2009, 2010, 2011, and 2012 Stoughton Ag Hopper Trailers will prevent the bolts from loosening and possibly causing cracking in the subframe rails.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10167927-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10167927-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10167927","components":[{"id":"structure-body","name":"Body and frame","parent":null},{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"STOUGHTON","model":"HOPPER","year_from":2009,"year_to":2012,"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":[]}