{"nhtsa_id":10051569,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-03-19","date":"2014-04-01","document_id":"PI-0767","mfr_campaign":null,"replaces":"PI-0767-C","component":"SUSPENSION:FRONT:CONTROL ARM","mfr_system":null,"summary":"MACK TRUCKS: SLACK ADJUSTER CONTROL ARM. HALDEX SLACK ADJUSTERS AND RIDEWELL SUSPENSION MAY EXHIBIT A CONDITION WHICH ALLOWS THE SLACK ADJUSTER CONTROL ARM TO MAKE CONTACT WITH THE RIDEWELL SUSPENSION WALKING BEAM DURING STEEP SUSPENSION ARTICULATION. *JS UPDATED 06/28/13. *PE UPDATED 12/19/13. *PE UPDATED 08/09/2014 *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10051569","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"control-arm","name":"Control arm","parent":"suspension"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"GRANITE (GU)","year_from":2012,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2006,"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":[]}