{"nhtsa_id":10002593,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-09-08","date":"2002-12-04","document_id":"02063","mfr_campaign":null,"replaces":null,"component":"STEERING","mfr_system":null,"summary":"GENERAL MOTORS HAS DECIDED THAT A DEFECT THAT RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN VEHICLES WITH AN 8500 OR GREATER GVW RATING. ON SOME OF THESE VEHICLES THE NUT ATTACHING THE PITMAN ARM TO THE STEERING LINKAGE MAY NOT BE TORQUED TO SPECIFICATION, WHICH COULD LEAD TO A POSSIBLE SEPARATION WHICH COULD RESULT IN A LOSS OF VEHICLE CONTROL AND A CRASH COULD OCCUR WITHOUT PRIOR WARNING. *TT *JB","document":null,"url":"https://open.wenmarpro.com/bulletins/10002593","components":[{"id":"steering","name":"Steering","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_gmc_savana"]}],"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":[]}