Abstract: The present invention provides a method for removing a fastener from a component, the fastener comprising an end portion exposed from the component, the end portion having a threaded section, the method comprising the following steps; providing a cap with a threaded opening, screwing the threaded opening of the cap onto the threaded section of the exposed end portion of the fastener, and securing a percussive tool to the cap, such that repeated impacts from the percussive tool are directed onto the exposed end portion of the fastener. The present invention also provides a cap for use in removing a fastener from a component, the cap comprising a threaded opening for screwing onto a threaded section of an exposed end portion of the fastener, and an attachment portion for securing a percussive tool to the cap.