The fuel pump may fail causing the engine to stall and not restart.
An engine oil leak may develop from the front crankshaft seal . Our technicians tell us a revised front crankshaft seal is available to correct this concern.
The 2006-2011 Buick Lucerne is known to have issues with the EVAP system, a part of your emission control system.
The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light , setting code P0446 , and problems filling the tank with fuel.
To correct the issue, the EVAP canister vent valve , solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.
A loose or worn gas cap may cause check engine light to illuminate.
The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant . The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket .
An intake manifold vacuum leak can develop from a variety of sources, often causing illumination of the Check Engine Light with codes P0171 & P0174 stored. Thorough diagnoses will be necessary to pinpoint the cause in order to make the correct repairs. A "smoke" machine is often used to isolate the cause of difficult to find vacuum leaks.
Our technicians recommend flushing the brake fluid every 60,000 miles. Brake fluid that is dirty may cause problems in the brake system .
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be completely flushed .
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
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