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I seem to have a leak were there looks like a plug or hole like a distributer .

(1995 Buick Century)
in Indianapolis, IN on November 04, 2010
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 lines and the fuel lines are above.It looks like a distributor goes there like it was plugged up.
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Popular Answer
on November 04, 2010
You are correct, That hole is where the distributor used to be in that engine block. The ignition system in your 1995 Buick Century does not use a distributor. What is in the hole however is not a plug, it is a gear driven shaft that drives the oil pump just as the distributor shaft used to do. There is an o-ring at the top - just like a distributor o-ring. The o-ring is probably hard as a rock and not sealing any more. The oil pump drive will need to be removed and the o-ring replaced. Even with everything out of the way it can be a bit difficult to remove the oil pump drive. If you find you need the help of a repair shop please use the following link to find one near you -
on November 08, 2010
jim thanks for you help so much,it makes sense now because of the ignition system .But it seems to me they could have used a better way to seal this,because i have heard so many problems people have had with this.Thanks Randy
on November 09, 2010
You are correct about using a better seal - some folks use a flat paper distributor gasket in addition to replacing the o-ring seal - no more leaks, ever!
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