Why Your Office Chair Keeps Sinking? Fix It In 2 Steps

Affiliate Disclaimer

As an affiliate, we earn from qualifying purchases. We get commissions for purchases made through links in this post.

Have you ever wondered why your office chair keeps sinking? Or, how can you fix the hydraulics? Read on to find out the most common cause of office chair sinking, and some remedies you can try. You might also want to check out our article on how to fix a sinking office chair. Here you will find out how to fix the hydraulics of your chair seat and prevent it from sinking further. Hopefully, you will find these tips useful!

flash sale special offers mega sale

Why do office chairs sink?

There are several causes of sinking office chairs. In general, the problem stems from the pneumatic piston inside the chair, which leaks over time. Despite its simple design, the valve eventually fails and causes the seat to sink.

You can repair this problem yourself with a hose clamp. Then, you’ll be able to sit up straight on your computer chair again. Fortunately, most sinking office chairs are fairly simple to repair.

If you’re seated in a chair that’s more than 300 pounds, you may experience the sinking sensation. This may be caused by a malfunctioning pneumatic valve or a faulty piston. If you’ve noticed a sinking in your office chair, it’s time to replace the seat cylinder. To fix the problem, you’ll need to replace the seat. Here are some solutions:

First, fix the cylinder. Many chairs have faulty gas cylinders. Fixing it can prevent sinking. Ensure that the cylinder works properly. If you can’t locate this part, measure and cut a PVC pipe. Afterward, wrap it with duct tape. This will prevent sinking. If the pipe doesn’t work, replace the cylinder. This way, you’ll be able to fix the problem without replacing the chair altogether.

Also See  How Much Should An Office Chair Cost?

Can you fix the hydraulics of an office chair?

The hydraulics of an office chair uses a combination of liquids and gasses to raise and lower the seat. While these chairs use very little energy to work, they do need maintenance and repair. Office chairs are also made with pneumatic systems, and most of the same tips apply to both. However, the simplest fix is often not possible. If your chair is showing signs of wear and tear, it may be time to get a new one.

To repair the gas lift chair cylinder, turn the entire chair upside down. Then you must disassemble the chair by unscrewing the base. Once you have unscrewed the base, you can insert the cylinder. Be sure to measure the gas tube from the top to the bottom. Then, screw the base back into place. Once the seat is in place, replace the gas cylinder.

How do I fix an office chair that sinks?

There are many reasons for an office chair to sink. Poor sitting posture can lead to spinal problems, which can be hard to overcome when trying to type on a computer keyboard. If your office chair has begun to sink, try a few simple solutions to fix it yourself.

The most common fix is using a hose clamp. However, this may be only a temporary fix. To ensure the safety of the chair, you should consult a qualified mechanic before you attempt to fix it yourself.

To start repairing your office chair, you’ll need to measure the exposed length of the inner cylinder. To do so, you’ll need a 1.5” piece of PVC pipe. Once you have this, you’ll need to remove the plastic skin, which will expose the metal tube underneath. Once you’ve removed the plastic skin, you can then adjust the seat height to the right level.

How can I stop my office chair from sinking?

If you’re wondering how to fix a sinking desk chair, there are some quick fixes you can try. First, you can use the hose clamp method. Wrap the end of a hose clamp with duct tape or sandpaper. Place the clamp over the metal cylinder and tighten it. After tightening the hose clamp, slide the chair over the cylinder. If this doesn’t work, you may need to replace the pneumatic cylinder.

Also See  Should A Home Office Be Upstairs Or Downstairs? 10 Reasons

The cylinder that controls the height of your office chair may be the problem. If you’re replacing a cylinder, this method will likely work for 95% of models. In addition, a professional repair will also look better. Changing the cylinder and hose clamp will also make the repair look more professional. The last fix involves installing PVC piping underneath the seat. If either of these two solutions doesn’t work, you can replace them with an equivalent cylinder.

Another way to fix a sinking office chair is by repairing the metal cylinder. To do this, you can use a PVC pipe that’s the same diameter or slightly larger than the metallic cylinder. The pipe should be about 1.5 inches in diameter or 3.8 cm. Measure the diameter of the metal cylinder and the length of the exposed metallic gas cylinder. Then, use a hose clamp to tighten the cylinder and hold it in place.

Use Hose clamp & drain tape

A simple fix for a sinking office chair involves the use of a hose clamp. Wrap it with duct tape or sandpaper, then tighten it around the cylinder. Alternatively, you can use a plastic spacer and wrap it around the metal cylinder underneath. This can be a more permanent fix, but it does not look as professional. If your office chair is pneumatic, you may need to replace the cylinder as well.

One way to repair a sinking office chair is to use a PVC pipe with a 1.5-inch diameter. You can use two pieces of pipe to fix the problem, one on each side. Then, use the other end to attach the hose clamp. Make sure to use the appropriate amount of tape for the chair’s cylinder diameter. This way, you will not need to buy another hose clamp or a new cylinder.

Another quick fix for a sinking office chair involves replacing the gas cylinder, which connects the seat to the base. The cylinder contains nitrogen gas that switches chambers when you pull the lever. This allows the chair to rise and lower, but it is also susceptible to wear out. A cracked seal could cause the chair to sink. This fix only takes a few minutes and is easy to carry out.

Use a Plastic Spacer / PVC Pipe Method

If you have an office chair that is continually sinking, you may want to use a PVC or plastic spacer. This will help you adjust the height of the chair without having to replace the entire seat. The downside to this solution is that you cannot adjust the height later. So, this is a temporary solution. The longer you leave the pipe in place, the longer it will take for your chair to stop sinking.

Also See  11 Proven Steps on How to Clean Your Desk and Efficiency

If you’re willing to take a bit of extra time, you can use a plastic spacer or a PVC pipe to raise your chair. You can find these spacers at a hardware store. Simply place them under the legs of your chair. You can then adjust the height of the spacer depending on how far it is sinking. If you’re concerned about the appearance of your spacer, consider buying a plastic spacer.

What causes an office chair to sink?

What causes office chair to sink? This problem occurs when the cylinder hydraulics breaks down and air leaks out. Air in the chair cylinder decompresses when a person sits in the chair and the piston returns to its base. If this cylinder breaks, the seat will continually sink. Other causes of sinking office chairs are faulty gas springs or a broken seal in the cylinder.

To repair a sinking office chair, you need to measure the inner cylinder’s exposed length. You will need a piece of 1.5” PVC piping. Once you’ve obtained this piece of PVC pipe, cut it lengthwise, on one side. Then slide it over the cylinder to prevent it from sinking. Afterward, you can tighten the cylinder locking tab. If the sinking office chair persists, you can try replacing the cylinder with a new cylinder.

Office chairs can sink due to the lack of pressure. This is usually caused by a broken gas pneumatic cylinder or a faulty valve seal. If you can’t find a replacement gas cylinder for your chair, you can attempt to repair the sinking chair yourself with a few simple tools.

Once you’ve determined the cause of your sinking office chair, you can repair the issue yourself. The repair is fairly easy to do, but it can be expensive.

Chair Cylinder Replacements to Fix a Sinking Office Chair


If your chair sinks, it probably has a problem with the cylinder that controls the seat to a desired height. If this cylinder is leaking air, you may need a replacement cylinder or purchase a new desk chair.

Although replacing a chair’s cylinder piston can be challenging, it is not impossible. The chair cylinder is not particularly sensitive, but improper oiling can cause it to leak. Fortunately, there are some ways to fix this issue without spending a lot of money.

Also Read: How do I keep my chair wheels from rolling? A Simple Guide