{"nhtsa_id":10007973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-07-19","date":"2004-01-01","document_id":"00823A","mfr_campaign":null,"replaces":null,"component":"STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID","mfr_system":null,"summary":"POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10007973","components":[{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_cadillac_escalade","2004_cadillac_escalade"]},{"make":"CHEVROLET","model":"AVALANCHE","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_avalanche","2004_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_express","2004_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_silverado","2004_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_suburban","2004_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_tahoe","2004_chevrolet_tahoe"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_gmc_savana","2004_gmc_savana"]},{"make":"GMC","model":"SIERRA","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_gmc_sierra","2004_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_gmc_yukon","2004_gmc_yukon"]},{"make":"HUMMER","model":"H2","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_hummer_h2","2004_hummer_h2"]}],"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":[]}