1999 Buick Century Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Buick Century
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1999 Buick Century ProblemsIntake Manifold Gasket May Leak Coolant or Engine Oil
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.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
1999 Buick Century QuestionsOther than the resistor, what else could cause my heater to only work on high se (1 answer)
Other than the resistor, what else could cause my heater to only work on high setting in my '99 Buick century custom?
Passenger window and door will not open nor both back door