{"source":"nhtsa","country":"us","campaign":"86V170000","date":"1986-12-22","owner_notified":"1987-02-20","manufacturer":"GENERAL MOTORS CORP.","component":"STEERING:HYDRAULIC POWER ASSIST SYSTEM","summary":"THE POWER STEERING ASSIST CYLINDER MOUNTING BRACKET       BOLTS MAY LOOSEN DUE TO PAINT ON THE BOLT THREADS AND THE MOUNTING BRACKET       MATING SURFACE.                                                                                                                                                   CONSEQUENCE OF DEFECT: THIS MAY RESULT IN LOOSENESS AND ERRATIC STEERING DURING  FULL TURNS. WITH CONTINUED OPERATION POWER CYLINDER COULD DETACH FROM THE FRAME  RAIL RESULTING IN RESTRICTED STEERING, SEVERING OF FRONT BRAKE HOSE AND LOSS OF  FRONT AXLE BRAKING.  WITH EITHER CONDITION, A VEHICLE CRASH COULD RESULT.","consequence":null,"remedy":"REMOVE PAINT FROM MATING SURFACES OF BRACKET AND FRAME RAIL;  REPLACE POWER STEERING ASSIST CYLINDER MOUNTING BOLTS.","notes":"SYSTEM: POWER STEERING. VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH POWER STEERING AND 12,000 LBS. FRONT AXLES.","mfr_campaign":null,"part_number":null,"units":9038,"completion":null,"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":1985,"make":"CHEVROLET","model":"C70","vehicle_id":null,"match":null,"built_from":"1985-03-01","built_to":"1986-07-01"},{"year":1986,"make":"CHEVROLET","model":"C70","vehicle_id":null,"match":null,"built_from":"1985-03-01","built_to":"1986-07-01"},{"year":1985,"make":"GMC","model":"C7","vehicle_id":"1985_gmc_c7","match":"exact","built_from":"1985-03-01","built_to":"1986-07-01"},{"year":1986,"make":"GMC","model":"C7","vehicle_id":"1986_gmc_c7","match":"exact","built_from":"1985-03-01","built_to":"1986-07-01"}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/86V170000"}