{"nhtsa_id":10030462,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-10-07","date":"2009-04-01","document_id":"SB-54-33","mfr_campaign":null,"replaces":null,"component":"PARKING BRAKE","mfr_system":null,"summary":"FREIGHTLINER: THE PARK BRAKE SWITCH ON SOME WALK-IN VAN CHASSIS MAY DEVELOP CORROSION AND STICK IN THE CLOSED (ON) POSITION. IN SOME INSTANCES THE WIRING AT THE SWITCH CONNECTIONS MAY BECOME LOOSE. NO MODEL YEAR LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030462","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"WALK-IN VAN","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}