One problem related to loud engine noise has been reported for the 2001 Buick Century. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Buick Century based on all problems reported for the 2001 Century.
Vehicle made loud noises, vibrated when at a complete stop. This was a result of piston malfunctioning that caused motor to go bad, and engine to not run properly. Fuel tank missing insulators. Brakes squeak and are pulsating.