2003 Buick Century Q&A
2003 Buick Century Question: "O" ring leak on top of engine where distributor used to be.
Leak is not sever, but is constant. - Visitor
That piece has an O-ring. the O-ring is bad. A common problem. A good tech can replace that O-ring without taking the upper plenium off. Not to expensive. - Visitor
It leaks oil soon after i start the car and runs dowm the front of the motor on the right side.Its hard to get to, it us under the fuel lines that come in under this black plate that the throttle l...