{"nhtsa_id":610482,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-05-02","date":"1999-11-01","document_id":"CSB991201","mfr_campaign":null,"replaces":null,"component":"STRUCTURE","mfr_system":null,"summary":"ALL FIRE TRUCK CHASSIS MODELS MANUFACTURED WITH A CAB TILT SYSTEM BETWEEN JULY 16, 1998 AND AUGUST 1, 1999 HAVE A CONDITION WHERE THE CAB MAY DROP RAPIDLY AND LOCK IN A PARTIALLY LOWERED POSITION, WHEN THE MANUAL RELIEF VALVE IS ACTIVATED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/610482","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SPARTAN","model":"FIRE TRUCK","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":[]}