{"nhtsa_id":604091,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-04-12","date":"1999-02-04","document_id":"SB411007","mfr_campaign":null,"replaces":null,"component":"STEERING:GEAR BOX (OTHER THAN RACK AND PINION)","mfr_system":null,"summary":"INFORMATION REGARDING TRW TAS STEERING GEAR'S PRESSURE RELIEF POPPET READJUSTMENT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/604091","components":[{"id":"steering","name":"Steering","parent":null},{"id":"steering-gear","name":"Steering gear","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CH","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"CL","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"LE","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"RB","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"RD","year_from":null,"year_to":null,"match":"exact","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":[]}