Ever wonder what really goes on, when you bring your car into service?

Good news! The Car Talk Service Advisor is here with some answers.

Below, you'll find some of the most common service items, with full explanations of what's really involved, whether it's really necessary — even whether you can do it yourself.

With a little luck, you just might save yourself a boat payment — and keep that showcase of automotive brilliance in your driveway running for years to come, too.

Tom and Ray Magliozzi
Click and Clack the Tappet Brothers