{"nhtsa_id":10000183,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-02-14","date":"2006-01-01","document_id":"020730042A","mfr_campaign":null,"replaces":"020730042B","component":"POWER TRAIN","mfr_system":null,"summary":"ALLISON TRANSMISSION SERVICE REPAIRS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000183","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C4500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"C5500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"KODIAK","year_from":2003,"year_to":2005,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C4500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C5500","year_from":2006,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"TOPKICK","year_from":2003,"year_to":2005,"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":[]}