Buick Regal Problem Reports

Most Reported Buick Regal Problem Reports

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An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.

The catalytic converter may become plugged resulting in loss of engine power. General Motors has extended the catalytic convertor warranty on some models to 10 years or 120,000 miles. Please contact your local GM dealer to see if your vehicle is included.

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

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.

When engine is warm and coming to a stop and foot of the pedal and braking the engine stalls ... no hissing sounds on brake booster. Car will not stall if i down shift to third or second on auto transmission.

Engine stalls when the turn signals are used. This happened at highway speeds and can be very dangerous. Also, the dash lights flashed on and off. Engine will restart but will stall again when you use the turn signals.

The power window motors and switches are prone to failure.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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

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

The ABS master cylinder assembly may fail internally causing the ABS light to illuminate.

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.

Wiring harness at right trunk hinge bends when trunk opened.
Wiring gets stressed and eventually breaks.
The orange wire in the bundle is the trunk light wire.

Failing that change bulb:
P/N is BP917