{"nhtsa_id":625114,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-11-16","date":"2001-08-20","document_id":"200801","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"INFORMATION REGARDING REVISED TRANSMISSION CALIBRATION TO ADDRESS DRIVELINE GROWL OR PROP SHAFT RING NOISE. *JG","document":null,"url":"https://open.wenmarpro.com/bulletins/625114","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SIERRA","year_from":2000,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2000,"year_to":2002,"match":"exact","vehicle_ids":["2000_chevrolet_silverado","2001_chevrolet_silverado","2002_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2000,"year_to":2002,"match":"exact","vehicle_ids":["2000_gmc_sierra","2001_gmc_sierra","2002_gmc_sierra"]},{"make":"GMC","model":"SILVERADO","year_from":2000,"year_to":2002,"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":[]}