{"nhtsa_id":634833,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-09","date":"2002-06-01","document_id":"020522003","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM","mfr_system":null,"summary":"SERVICE MANUAL UPDATE ON REVISED VACUUM BRAKE BOOSTER REPLACEMENT PROCEDURE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634833","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"RENDEZVOUS","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_buick_rendezvous"]},{"make":"PONTIAC","model":"AZTEK","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_pontiac_aztek","2002_pontiac_aztek"]}],"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":[]}