{"nhtsa_id":10200193,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-09","date":"2021-07-01","document_id":"N212336800","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:ELECTRICAL; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT","mfr_system":null,"summary":"Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200193-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200193-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200193","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 1500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2021,"year_to":2021,"match":"base","vehicle_ids":["2021_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":[]}