{"nhtsa_id":10198737,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-07-02","date":"2021-06-16","document_id":"KC-345","mfr_campaign":null,"replaces":null,"component":"STEERING","mfr_system":null,"summary":"Mack Chassis - Models GU / GR - Constant Correction To Center","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198737-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198737-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10198737","components":[{"id":"steering","name":"Steering","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"GRANITE (GR)","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GRANITE (GR)","year_from":2017,"year_to":2022,"match":"base","vehicle_ids":["2017_mack_granite","2018_mack_granite","2019_mack_granite","2020_mack_granite","2021_mack_granite","2022_mack_granite"]},{"make":"MACK","model":"GU","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":[]}