{"nhtsa_id":37942,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-02-08","date":"1994-12-01","document_id":"467108","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"TRANSMISSION EXTENTION SEAL LEAKS. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/37942","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"ASTRO","year_from":1988,"year_to":1994,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"G SERIES","year_from":1988,"year_to":1994,"match":"exact","vehicle_ids":["1988_chevrolet_g-series","1989_chevrolet_g-series","1990_chevrolet_g-series","1991_chevrolet_g-series","1992_chevrolet_g-series","1993_chevrolet_g-series","1994_chevrolet_g-series"]},{"make":"GMC","model":"G SERIES","year_from":1988,"year_to":1994,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAFARI","year_from":1988,"year_to":1994,"match":"exact","vehicle_ids":["1988_gmc_safari","1989_gmc_safari","1990_gmc_safari","1991_gmc_safari","1992_gmc_safari","1993_gmc_safari","1994_gmc_safari"]}],"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":[]}