{"nhtsa_id":618148,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-04-05","date":"2000-12-21","document_id":"211200","mfr_campaign":null,"replaces":null,"component":"STEERING:GEAR BOX (OTHER THAN RACK AND PINION)","mfr_system":null,"summary":"SOME ONWERS OF MEDIUM DUTY TRUCKS MAY HAVE COMPLAINTS RELATIVE TO THE STEERING GEAR BOX PRESSURE RELEASE VALVE, VALUES THAT ACTIVATE PREMATURELY OR STEERING SYSTEM COMPONENTS DAMAGED BY EXCESSIVE POWER STEERING PUMP PRESSURE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/618148","components":[{"id":"steering","name":"Steering","parent":null},{"id":"steering-gear","name":"Steering gear","parent":"steering"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CHEVROLET TRUCK","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC","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":[]}