{"nhtsa_id":631248,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-05-21","date":"2002-03-01","document_id":"020232005","mfr_campaign":null,"replaces":null,"component":"STEERING:HYDRAULIC POWER ASSIST SYSTEM","mfr_system":null,"summary":"SOME CUSTOMERS MAY COMMENT ON A WHINE NOISE COMING FROM THE POWER STEERING SYSTEM WHILE TURNING OR BRAKING. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/631248","components":[{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"L VAN","year_from":1996,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"M VAN","year_from":1996,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"L VAN","year_from":1996,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"M VAN","year_from":1996,"year_to":2002,"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":[]}