Ikea makes a variety of swiveling and reclining chairs that have moving parts. With use, these metal parts may begin to rub against one another, resulting in a squeaking noise. The only way to stop the squeaking on your Ikea chair is to lubricate the parts. Luckily, Ikea chairs are designed to be easy to assemble and disassemble. If you're missing your assembly instructions, check out the resources section for an extra copy.
Turn the chair on its side so that you can get a good look at the bottom.
Look for any moving parts on the chair. Keep an eye out for metal parts that look shiny and worn. This is easiest with Ikea office chairs, since most of the metal is painted black.
Apply a spray lubricant like WD-40, DuPont Teflon or graphite directly onto the point where two moving metal parts meet. Spray generously, but keep a towel handy. If the lubricant gets on the fabric of your Ikea chair, it may stain it. Always follow the manufacturer's instructions.
Right the chair and sit in it. Bounce slightly, swivel to the right and the left. If you still hear the squeaking sound, repeat steps 1 through 3. Concentrate on any parts that you didn't spray the first time, even if it doesn't look like the touching metal parts are moving. Try sitting in the chair again. If you still hear the squeaking sound, move on to Step 5.
Take the chair apart according to the assembly instructions that came with it. Lubricate the outer edges of the screws and the inner rings of the bolts. Reassemble the chair.