Introduction

Atlas Obscura is a celebration of the world's strange, incredible, and wondrous places. The Sunny Jim Cave in San Diego was once a shell shop that sold shells. A video of the cave recently went viral on TikTok. If your engine revs before it falls into gear, if it seems to switch gears for no reason, if shifts are rough, lurching, or clunking,. So watch for the common signs of transmission trouble.