Things You'll Need
Instructions
Unplug the controller from the port at the front of the PS3 console.
Turn the controller over and remove the five screws on the rear of the unit.
Remove the back housing of the controller from the front. The back of the motherboard will now be visible in the front housing.
Lift the motherboard up to expose the front of it. The joysticks will now be visible, connected to the front of the board.
Press down on the loose joystick until it snaps in place. It will now be properly tightened.
Replace the back housing of the controller and screws.