DIY Sliding Window Maintenance

Over time many sliding windows develop minor problems that prevent normal sliding. Sometimes track systems can be worn, which prevent wheels from working properly, however in most circumstances faulty wheels are the main problem. Here we will give you a brief overview of how to replace your wheels.

Tools and materials needed

  • Phillips Head & Flat Head Screw Driver
  • Replacement Wheels
  • WD40

Step 1 – Remove your window

Simply push the window up and pull the bottom out from the inside of your home.

Step 2 – Inspect the wheels

Determine if the wheels need to be repaired. Look for cracked or broken parts.

Step 3 – Remove the wheels

In most cases the wheels are just slid into position therefore they can be leveraged out by using a flat head screwdriver. Other wheels are screwed into position, which can be removed by removing the screws that hold them in position.

Step 4 – Source new wheels

After removing the wheels take them to your local hardware to purchase a suitable replacement.

Step 5 – Install new wheels

Reverse the removal process to install your new wheels.

Step 6 – Lubricate the tracks

Clean the area to make it easier for the window to slide. Spray with a lubricant such as WD40 to assist in easy sliding.


  • In many situations domestic windows consist of ordinary annealed glass, which can be dangerous if broken. Take care in handling your windows.
  • Windows should always be stored in a vertical position and never laid flat.
  • This is only a guide to DIY repairs, however we suggest hiring a professional to carry out this work if you have limited experience with this type of activity.