By the time you notice a severe engine block crack, it will usually require a full replacement. Here are the signs and symptoms to look out for beforehand.

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.