{"nhtsa_id":10040040,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-08-12","date":"2011-08-05","document_id":"TIB-16-033","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:SHACKLE","mfr_system":null,"summary":"PACCAR: SHACKLE LINKS MAY HAVE BEEN MANUFACTURED INCORRECTLY AND HAVE PREMATURE CRACKING AND/OR A POSSIBLE BROKEN SHACKLE LINK. FAILURE OF ONE OR BOTH SHACKLE LINKS MAY RESULT IN THE VEHICLE PULLING TO ONE SIDE. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10040040","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T440","year_from":2011,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T660","year_from":2010,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2010,"year_to":2011,"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":[]}