1992 Buick Riviera Problems

RepairPal has identified the most common problems with the 1992 Buick Riviera as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.

Problems with anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The key and ignition lock cylinder should be replaced to correct this condition.

The air conditioning system can be prone to refrigerant leaks and failure of one or more pressure sensors. The AC pressure sensors should be checked for proper operation when ever the AC system is serviced.

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.

The spark plugs should be replaced every 30,000 miles and the spark plug boots should be checked for hot spots and cracks.

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently.

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

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

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.

Our technicians highly recommend that the engine coolant be replaced every 30,000 miles.

The high pressure power steering hose will commonly leak fluid; it should be replaced.

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

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

The camshaft position sensor interrupter (magnet) on the camshaft sprocket may fall off causing the check engine (SES) to illuminate. If this fault occurs on high mileage vehicles our technicians recommend to also replace the timing chain at the same time.

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.