{"nhtsa_id":37952,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-02-09","date":"1994-12-01","document_id":"467401","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE","mfr_system":null,"summary":"TRANSFER CASE HOPS OUT OF 4-LOW. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/37952","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"K SERIES","year_from":1989,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"K SERIES","year_from":1989,"year_to":1995,"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":[]}