How To Replace Servo Gears RCCarAction.com Featured News, Getting Started, How To Comments Clicking, buzzing, but no steering? Sounds like your servo needs a new set of gears, stat. We’ll show you how to get in there and make the fix fast so you can get back in action ASAP. Click images to embiggen Never miss an issue of RC Car Action! Subscribe today with a Digital Edition subscription or Print + Digital combo!