{"source":"tc","country":"ca","campaign":"1990048","date":"1990-03-27","owner_notified":null,"manufacturer":null,"component":"Steering","summary":"ON VEHICLES WITH TRW POWER AND MANUAL STEERING GEARS AND SHEPPARD POWER GEARS, THE UPPER AND LOWER PINCH BOLT ON ALL STEERING PITMAN ARMS FOR TRW POWER AND MANUAL GEARS AND THE LOWER PINCH BOLT ON SHEPPARD POWER GEARS WERE POSSIBLY EMBRITTLED AND NOT TORQUED CORRECTLY. THIS COULD LEAD TO PROGRESSIVE LOOSENING AND/OR BOLT FAILURE RESULTING IN POSSIBLE LOSS OF STEERING CONTROL AND A VEHICLE CRASH.\nCORRECTION: NEW PINCH BOLTS AND WASHERS WILL BE INSTALLED AND PROPERLY TORQUED ON ALL AFFECTED VEHICLES.","consequence":null,"remedy":null,"notes":null,"mfr_campaign":"SC220","part_number":null,"units":557,"completion":null,"do_not_drive":null,"park_outside":null,"notification":"Safety TC","french":{"component":"Direction","notification":"Sécurité - TC","summary":"Sur les véhicules dotés de boîtiers de direction TRW, assistée ou manuelle, et de boîtiers de direction assistée Sheppard,\nle boulon de serrage supérieur et inférieur de tous les bras de direction des boîtiers de direction TRW assistée et manuelle et le boulon de serrage inférieur des boîtiers de direction assistée Sheppard peuvent avoir subi une fragilisation à l'hydrogène et ne pas être serrés au couple prescrit. Le boulon risque par conséquent de se desserrer progressivement ou de se rompre, ce qui peut entraîner une perte de maîtrise de la direction, voire un accident."},"vehicles":[{"year":1988,"make":"MACK","model":"CH","vehicle_id":"1988_mack_ch","match":"exact","built_from":null,"built_to":null},{"year":1989,"make":"MACK","model":"CH","vehicle_id":"1989_mack_ch","match":"exact","built_from":null,"built_to":null},{"year":1990,"make":"MACK","model":"CH","vehicle_id":"1990_mack_ch","match":"exact","built_from":null,"built_to":null}],"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":["Contains information licensed under the Open Government Licence – Canada."],"url":"https://open.wenmarpro.com/recalls/tc/1990048"}