What can be done for pickups that are loose in pick guards and mounting plates on standard guitars?
Humbuckers: Try putting foam rubber in the cavity below the bottom of the pickup. This will help the pickup from rocking back and forth. Try a stronger and longer height adjust spring. The compression springs are made in various gauges of spring steel and come in a variety sizes. Wear safety glasses when trying to put humbucker springs on. Be careful as the springs can shoot far from where your working. Covers that are used on humbuckers help keep the pickup snug when used with a mounting ring. Many players have removed the covers from their pickups looking for more output. Never use liquid foams, epoxies or glues to secure your pickup. If anything ever goes wrong with your pickup it will be quite difficult to repair and could cause considerable damage to your instrument. Single Coils: I use a longer length of surgical rubber tubing when my single coil pickups are loose on pick guards or mounting plates. The rubber grommets can fatigue and flatten out especially in older instruments. F
