You have to pull the entire dashboard. I have done it and it gets easier every time. Get the Haynes/Chilton manual and it will tell you how. Get the proper speakers and it is a afternoon job.
The dash speakers are 3 1/2, and the rear speakers are 5 x 7. If you need to get sizes for your car, go to crutchfield.com and click on outfit my car. It will tell you all the sizes for the speakers...
You locate where the oil is leaking from (which can be a number of locations), and replace the failing seal. That's the proper way to do it. Now on an OLDER HIGHER MILEAGE Vehicle here is my...