How to Replace the Tuners of Jazz Bass & P Bass?

Step1:

Release the strings

Step2:

Loosen the four screws on the tuners. Take the tuners out. If the button of the tuners is not broken, you don't need to remove the button.

Step3:

Install the new tuners back to the original screw hole.

Step4:

The strings are mounted on the tuners: first insert the strings down, then turn them clockwise, after fixing the strings, turn the tuners to tighten the strings.