Very hard transmission shifting returning from a long-distance trip / "service engine soon" warning light came on. Mechanic reports dtc P1811 error code as well as other error codes. Mechanic replaced both tcc solenoid and pressure control solenoid to resolve shifting problem.

- Madison, WI, USA

Check engine soon light on continuously.

- Arlington, MA, USA

Air pollution pump failure causing fuse to blow and car to bump when stepping on gas/anti lock control-pressure modulator valve malfunction.

- Purgitsville, WV, USA

The contact owns a 2000 Buick Century. Whenever the contact would park the vehicle in her garage, she would smell hot water coming from the radiator. She did not notice any differences in the vehicle prior to the odor. The vehicle was serviced by a local mechanic, and was never diagnosed by the dealer. The failure mileage was 97,000. Updated 08/20/08 the consumer was informed the intake manifold gaskets needed to be replaced, which was a common problem with GM vehicles. Updated 08/21/08

- Lancaster, MA, USA

- the contact owns a 2000 Buick Century custom and complained about the following problems: The lower intake manifold gasket, the thermostat, and water pump. These components had to be replaced because the vehicle was overheating. The rear brake shoes and a leaking cylinder also had to be replaced. The rear drums, and the switch on the driver's side for the power windows where replaced due to possible fire concerns. In addition, the right outer tie rod end on the passenger's side wheel was loose and had to be repaired. Since the vehicle was inherited in 2003 all the aforementioned failures had to be replaced or repaired starting in 2005. The contact spoke with the manufacturer, and they stated they would not reimburse the contact because there was no relationship established with the dealer since the vehicle was purchased. The current mileage was 74,442, and the failure mileage was 64,218. The consumer has provided invoices of services and checked with GM to see if there was a recall on the gasket manifold, however she was informed no recall was issued for that part. Update 05/10/07

- Port St Lucie, FL, USA

2000 Buick Century, 3.1 head gasket leaks at 50,000 miles.

- E. Aurora, NY, USA

The vehicle over heated while driving. The vehicle was taken tot he dealer who stated that the intake manifold broke and caused oil to leak into the cooling system.

- Marlboro, NJ, USA