{"nhtsa_id":10005147,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-02-10","date":"2004-12-01","document_id":"020309002B","mfr_campaign":null,"replaces":"020309002C","component":"SUSPENSION","mfr_system":null,"summary":"INTERMITTENT BOOM, RUMBLING NOISE AND / OR DISTURBANCE HEARD IN PASSENGER COMPARTMENT WHILE DRIVING AT HIGHWAY SPEEDS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005147","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2002,"year_to":2005,"match":"exact","vehicle_ids":["2002_chevrolet_trailblazer","2003_chevrolet_trailblazer","2004_chevrolet_trailblazer","2005_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2002,"year_to":2005,"match":"exact","vehicle_ids":["2002_gmc_envoy","2003_gmc_envoy","2004_gmc_envoy","2005_gmc_envoy"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_oldsmobile_bravada","2004_oldsmobile_bravada"]}],"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":[]}