{"nhtsa_id":630872,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-25","date":"2002-03-13","document_id":"TC02005","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AXLE ASSEMBLY","mfr_system":null,"summary":"ON CERTAIN VEHICLES, IT IS POSSIBLE FOR THE BOLTS (REAR HUB BOLTS) THAT SECURE THE REAR BRAKE AND HUB ASSEMBLY TO THE REAR AXLE CARRIER TO BECOME LOOSE, SPECIAL SERVICE CAMPAIGN 20B IS TO TIGHTEN THE REAR HUB BOLTS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/630872","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"axle","name":"Axle","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"TOYOTA","model":"COROLLA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_toyota_corolla"]}],"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":[]}