{"nhtsa_id":623411,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-29","date":"2001-06-01","document_id":"01005","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP","mfr_system":null,"summary":"THIS SPECIAL POLICY PRODUCT ENHANCEMENT COVERS VEHICLES EQUIPPED WITH VACUUM POWER BRAKE ASSIST AND EBC4 ABS BRAKE MODULES EXHIBITNG POOR BRAKE SYSTEM PERFORMANCE / BRAKE SYSTEM SUBJECTIVE FEEL. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/623411","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SUBURBAN","year_from":1992,"year_to":1994,"match":"exact","vehicle_ids":["1992_chevrolet_suburban","1993_chevrolet_suburban","1994_chevrolet_suburban"]},{"make":"GMC","model":"SUBURBAN","year_from":1992,"year_to":1994,"match":"exact","vehicle_ids":["1992_gmc_suburban","1993_gmc_suburban","1994_gmc_suburban"]}],"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":[]}