Buick Problem Reports

Most Reported Buick Problem Reports

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The engine temperature sensor wire for the engine temperature gauge, or warning light, may touch the rear exhaust manifold causing a short to ground causing erratic operation of the temperature gauge or warning light.

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

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.

The water pump may develop a coolant leak resulting in an engine overheating condition.

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

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

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

The transmission may develop a harsh 1-2 shift and/or illumination of the Check Engine Light with code P1870 stored. This can be caused by wear of the bore for the TCC isolator and regulator valves in the valve body. This condition does not commonly occur until the transmission reaches normal operating temperature. If the valve body is worn, replacement will be necessary to correct this concern.

The leveling system air compressor head has a relief valve in it that corrodes and sticks over time. Each time the car is started, the compressor should cycle to pressurize the system and then the release pressure as needed to establish level. The condition becomes apparent when the rear of the car raises a little at a time until the air shocks are destroyed, requiring replacement of the rear shocks and the air compressor head. I have owned ...

at around 130,000 miles transmission began to slip when slowing and then accelerating rapidly. At 182,000 mi. Trans. Started making a growling sound, I had it replaced with a GM. Factory remanufactured unit for $ 3,200 still going strong at 225,00 mi..
May have been repairable if I had taken it in when the slipping started.

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

My heat dont work just blows out cold air sometimes

I just purchased a 2004 Buick Le Sabre,it has 151,000 miles on it and it starts and cranks fine, but when put it in drive, it doesn't move, sometimes i can cut off and restart it and it'll take off but when i come to a complete stop it doesn't accelerate anymore. What should i do to fix this asap