Flushing your own radiator coolant can save you money. Find out how to do-it-yourself in this week's episode of Saturday Mechanic.

In this episode, Popular Mechanics' Associate Auto Editor Ben Wojdyla:
Properly drains the coolant
Flushes and refills the coolant
Explains how to mix new coolant
Instructs how to properly dispose of old coolant

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Who says you can't work on your own car anymore? Follow Popular Mechanics associate auto editor Ben Wojdyla as he leads viewers, step by step, through repairs, upgrades, and troubleshooting tips. Got car questions? Email Ben, and he may answer them on the show.