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| I first used Electrical Contact Cleaner to help fix the drift with some success, but the drift eventually would come back. Over time, the duration my controller would work without drift would decrease; so I decided to open up the controller to learn more about what was happening and how to correct it. |
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| Before attempting this, I recommend trying Electrical Contact Cleaner first. |
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| 3 pieces of advice on using contact spray. |
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| # Remove the battery first. |
| # Only spray a little bit. If you completely saturate the joystick, it will take longer to dry since it is enclosed. I like to leave the controller upside down for 5-10 minutes to let it dry out. |
| # Make sure that you are pressing down on the joystick while spraying so that the cleaner can reach the sensor. Once you have sprayed it, move the joystick around in circles. This will cause the 2 contact pieces to move the cleaner around on the sensor to try to clean it. Pressing down on the joystick while moving it doesn't make a difference. In fact, it might actually make it less effective. |
| I hope this helps anyone adventurous enough to attempt this. At the very least, you will now understand what causes drift and why you can't soak the joystick with Electrical Contact Cleaner to fix it. |