Buick Riviera Problem Reports

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The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.

The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

The intake manifold and valve cover gaskets can develop external engine oil leaks.

The supercharger may develop a noise in the front section of the supercharger assembly. The is due to a worn coupler. Our technicians tell us that a remanufactured coupler section is available from aftermarket suppliers.

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)

The EGR tube may develop an engine vacuum leak causing the check engine (SES) light to illuminate.
Vehicles with the optional CRT dash may have the display fail. Our technicians tell us that the CRT unit will need to be sent out to a specialized repair facility for repair.
Vehicles with the optional CRT dash may have the display fail. Our technicians tell us that the CRT unit will need to be sent out to a specialized repair facility for repair.
The ABS master cylinder assembly may fail internally causing the ABS light to illuminate.