Jul 3, 2025 · On the now freed pulley, look for a semicircular piece inset into the shaft. This is the Woodruff key. Grip the sides of the key with pliers and remove it. If pliers don’t work, try to wedge it …

Woodruff keys, also called half-moon keys, are used in all kinds of automotive applications. But how do you remove a Woodruff key that is stuck in its keyway...

Mar 22, 2003 · Woodruff keys can be the most difficult things to remove without resorting to force. If you have room to do it, try a pin punch of the closest size to the width of key, first holding the punch …

May 25, 2023 · In this blog, we will provide a step-by-step guide to removing a woodruff key from a shaft. We’ll discuss what tools you’ll need, how to identify the key, and how to safely remove it …

May 28, 2025 · This guide will show you how to remove the Woodruff key. A bad Woodruff key will cause the drive to rotate without the magneto moving.

Oct 28, 2025 · Lost your Woodruff key? Don't panic. Our expert guide walks you through finding a lost or sheared key, removing it, and installing a new one. Get your project back on track now!

Nov 5, 2025 · This video shows how to remove a woodruff key to replace seals. You need a beefy tool and the right angle to avoid shearing it off, which would cause a...

Jul 31, 2012 · The trick is to smack one side of the key and use it as a fulcrum to get the semicircle to rotate in its seat. Once one side is sticking out, the key can be further loosened by smacking it so …

Here's another way to get out those really stuck woodruff keys without damaging the shaft.

Sep 19, 2010 · I'm doing the harmonic balancer removal and hit a snag. The woodruff key in the crank is stuck and doesn't want to budge. Any tips on how to get it out without divine intervention? It's worn …