{"nhtsa_id":635454,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-23","date":"2002-06-26","document_id":"1625","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"A CONDITION MAY EXIST WHERE THE RADIUS ARM BOLTS AT THE AXLE SEAT COULD BE INSTALLED BACKWARDS AND MAY HIT THE FRAME RAIL DURING AXLE ARTICULATION USED ON SOME T600, T800 AND W900 WITH AG380 SUSPENSION THAT WERE BUILT AT RENTON BETWEEN 10/17/01 AND 5/15/2002. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635454","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","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":[]}