{"nhtsa_id":601163,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-07-06","date":"1998-02-06","document_id":"03B001","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"INFORMATION ON KINGPIN LATERAL PLAY MEASUREMENTS, STEERING KNUCKLE VERTICAL CLEARANCE MEASUREMENTS AND ADJUSTMENTS AND KING PIN LUBRICATION PROCEDURES. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/601163","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MACK","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":[]}