Buick TSB #PI-0979
2012 Buick Verano
TSB Document:
Affected Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS
- Summary
- GENERAL MOTORS: EVAP LEAK IN THE SMALL CANISTER VENT SOLENOID (CVS) VALVE NOT SEALING UNDER VACUUM. THE LEAK MAY BE INTERMITTENT AND PRESENT IN COLDER AMBIENT CONDITIONS. *KB
Click a tab for more information.