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# How do I replace an extension spring?

The complete video procedure for an extension spring, fitted on the sides of the door.

This tutorial guides you step by step through the replacement, from removing the old spring to checking the door's balance.

Not sure whether you have an extension spring rather than a torsion spring? See "[How do I tell the difference between a torsion spring and an extension spring?](https://aidegar.crisp.help/en/article/how-do-i-tell-the-difference-between-a-torsion-spring-and-an-extension-spring-14fg4tv/)".



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