{"source":"nhtsa","country":"us","campaign":"91V070000","date":"1991-05-01","owner_notified":"1992-06-23","manufacturer":"MACK TRUCKS, INCORPORATED","component":"STEERING:LINKAGES","summary":"STRESSES IMPOSED ON THE LEVER DURING TURNING MANEUVERS AND/OR IMPACT INCIDENTS, SUCH AS WOULD BE CAUSED BY CURBS OR ROAD SURFACE IRREGULARITY, REDUCE THE LIFE EXPECTANCY OF THE PART. THE STEERING LEVER MAY CRACK AND EVENTUALLY THE STRESSES COULD CAUSE THE STEERING LEVER TO BREAK.","consequence":"A BROKEN STEERING LEVER WILL CAUSE LOSS OF STEERINGCONTROL WITHOUT PRIOR WARNING WHICH MAY RESULT IN A VEHICLE CRASH.","remedy":"REPLACE THE DEFECTIVE STEERING ARMS.","notes":"SYSTEM: STEERING LEVERS.VEHICLE DESCRIPTION: CF MODEL FIRE CHASSIS WITH GROSS AXLE WEIGHT RATINGS OF12,000 POUNDS OR GREATER AND EQUIPPED WITH POWER STEERING.NOTE: THE SPECIFIC MACK AXLES AFFECTED ARE: FA532, FAF532, FAFW537, FAFW5372,FAFW13.5, FAW538, FAW14.3, FA604, FA6042, FAW616, FAW618, FAW617, AND FAW20.","mfr_campaign":null,"part_number":null,"units":3673,"completion":null,"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":1967,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1968,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1969,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1970,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1971,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1972,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1973,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1974,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1975,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1976,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1977,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1978,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1979,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1980,"make":"MACK","model":"CF","vehicle_id":null,"match":null,"built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1981,"make":"MACK","model":"CF","vehicle_id":"1981_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1982,"make":"MACK","model":"CF","vehicle_id":"1982_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1983,"make":"MACK","model":"CF","vehicle_id":"1983_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1984,"make":"MACK","model":"CF","vehicle_id":"1984_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1985,"make":"MACK","model":"CF","vehicle_id":"1985_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1986,"make":"MACK","model":"CF","vehicle_id":"1986_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1987,"make":"MACK","model":"CF","vehicle_id":"1987_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1988,"make":"MACK","model":"CF","vehicle_id":"1988_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1989,"make":"MACK","model":"CF","vehicle_id":"1989_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"},{"year":1990,"make":"MACK","model":"CF","vehicle_id":"1990_mack_cf","match":"exact","built_from":"1967-12-01","built_to":"1990-12-01"}],"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/91V070000"}