One problem related to engine cooling system has been reported for the 2000 Buick Century. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Buick Century based on all problems reported for the 2000 Century.
Dealer advised of coolant leak at a lower engine seal. I have since learned that this is a defect related to use of incorrect seals. The seals are eaten by the coolant (dexcool). I was quoted a price of $800 to fix the problem. I feel that this is a manufacturer's defect.