{"nhtsa_id":10171898,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-03-02","date":"2020-01-08","document_id":"19NA216","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT","mfr_system":null,"summary":"This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171898-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171898-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171898","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2020,"year_to":2020,"match":"base","vehicle_ids":["2020_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","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"]},{"make":"GMC","model":"SIERRA 3500","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":[]}