{"nhtsa_id":79671,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1985-06-01","document_id":"85-7-27","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"UNKNOWN","document":null,"url":"https://open.wenmarpro.com/bulletins/79671","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PONTIAC","model":"BONNEVILLE","year_from":1985,"year_to":1985,"match":"exact","vehicle_ids":["1985_pontiac_bonneville"]},{"make":"PONTIAC","model":"GRAND PRIX","year_from":1985,"year_to":1985,"match":"exact","vehicle_ids":["1985_pontiac_grand-prix"]}],"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":[]}