Buick · Canada · High
Buick Century, Regal: Not Entered
Affects Buick Century, Regal · 1979 — about 26 vehicles.
The hazard
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.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational