{"nhtsa_id":10083263,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-21","date":"2014-04-21","document_id":"PI 0767","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"CERTAIN GU MODEL CHASSIS’ EQUIPPED WITH HALDEX SLACK ADJUSTERS AND RIDEWELL SUSPENSION WITH BUILD DATES BETWEEN FEBRUARY 1 AND MARCH 24, 2010, MAY EXHIBIT A CONDITION WHICH ALLOWS THE SLACK ADJUSTER CONTROL ARM TO MAKE CONTACT WITH THE RIDEWELL SUSPENSION WALKING BEAM DURING STEEP SUSPENSION ARTICULATION THE ARTICULATION INTERFERENCE IS POSSIBLE ONLY IN THE UNLOADED CONDITION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083263","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"GU","year_from":2011,"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":[]}