2004 Buick Century Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Buick Century

2004 Buick Century Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

 

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

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2004 Buick Century Questions

My drivers side window will go up and down and can control the other three windows but the windows will not go down when you control from the window.

WHEN AC IS ON I GET COLD AIR ON PASSENGER SIDE BUT ON DRIVER SIDE I GET HOT AIR.

The pulley is out of align with every other pulley. It looks like it is coming off the shaft but is not loose. What should I look for?

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