{"nhtsa_id":10177521,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-07-27","date":"2020-06-03","document_id":"21-038-20","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:SEALS/GASKETS; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN:TRANSMISSION CASE/HOUSING","mfr_system":null,"summary":"Transmission Case Oil Leak This bulletin involves tightening the lower transmission bolts to updated torque specifications to possibly eliminate a leak at the case split line of the transmission. Customers may notice (possibly transmission) fluid leaking on the ground from the left front of the vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177521-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10177521-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10177521","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_jeep_grand-cherokee"]}],"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":[]}