Transport CanadaLow Risk
1979 BUICK CENTURYTransport Canada Recall #1978133
The official notice
Defect
VEHICLES EQUIPPED WITH TURBOCHARGED V6 ENGINES. ENGINES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECT VACUUM DIFFERENTIAL VALVE INSTALLED IN THE AIR SYSTEM. AN INCORRECT VALVE WOULD CAUSE THE ENGINE TO EXCEED THE EMISSION LEVELS SPECIFIED BY FEDERAL SAFETY STANDARD 1103 - EXHAUST EMISSIONS.
Safety Risk
No risk description available.
Remedy
No remedy description available.
26 vehicles affectedMfr ref: 9B01Updated June 10, 2026