2004 Buick Century Repair and Maintenance

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

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.

One or more power window switch may fail. The affected window may work intermittently before failing completely.

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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When parking my buick on an incline, there is a bit of rolling of the wheels after the engine is turned off. Is there an adjustment to the transmission that will eliminate this?The transmission is an automatic.

This just started on 12/31/14. I take it out of park or drive and go into reverse it makes noises. Otherwise it shifts fine in drive or any other gear.

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