{"nhtsa_id":10176812,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-06-29","date":"2020-05-08","document_id":"N202294960","mfr_campaign":null,"replaces":null,"component":"SUSPENSION; WHEELS","mfr_system":null,"summary":"Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring were to be replaced, a 2500 series spring could be installed which would cause the vehicle to have mismatching springs. Dealers are to replace with the correct rear leaf springs.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176812-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176812-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176812","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"wheels","name":"Wheels","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_gmc_sierra"]}],"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":[]}