1999 Buick Century Q&A
1999 Buick Century Question: Where is the petcock for draining the radiator?
some rad don't have pitcock but it would be on either lower corner. try ck 'ing the rad level sensor, they go bad often or get alot of sludge on them and don't read correctly - globalhelper
has not been changed out by the prior owner since 2006. Tvehicle only has 35k miles. Has been a very good car.