{"nhtsa_id":619011,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-05-10","date":"2001-01-01","document_id":"010101","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY:BANJO HOUSING","mfr_system":null,"summary":"SUBJECT REGARDING INVESTIGATION OF TRANSMISSION EXTENSION LEAKS ON 1998 AND NEWER LIGHT DUTY, 2WD TRUCKS EQUIPPED WITH 4L60E AUTOMATIC TRANSMISSION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/619011","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CHEVROLET TRUCK","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC TRUCK","year_from":null,"year_to":null,"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":[]}