Although a TikTok video claims you can repair car rust with ramen noodles, it's not a good idea. We explain the hack and offer a more sensible solution.

A crack in your engine block is a pretty intimidating problem. Here's how they happen, what you can do to fix it, and how to avoid the issue in the first place.

A machinist fixes a massive crack in an old cast iron engine block with a drill, a handful of bolts, and a tube of red loc-tite.

A TikTok video claims you can repair car rust with ramen noodles, using them as a cheap substitute for automotive body filler. Use the real thing instead.