How to Replace the Foonf/Fllo Seat Foam: A Step-by-Step Guide
By Clek | Infant Car Seats, Convertible Car Seats, Booster Seats ... | Published: 2026-08-31
Category: How-to Guides
Learn how to replace the seat foam in your Clek Foonf or Fllo car seat with this detailed guide, including tips on removing covers and installing new foam.
Quick Answer
To replace the seat foam in your Clek Foonf or Fllo, first remove the seat cover, then carefully take out the old foam, insert the new foam, and reinstall the cover. Always ensure the foam is properly seated and the cover is reattached securely to maintain safety and comfort.
Over time, the seat foam in your Clek Foonf or Fllo car seat may become compressed, damaged, or simply need refreshing. Replacing the foam is a straightforward process that can restore comfort and support for your child. This guide walks you through each step, from removing the cover to installing the new foam, so you can keep your seat in top condition.
Before you begin, gather the necessary tools: a flat-head screwdriver (to help release clips), a new seat foam (available from Clek or authorized retailers), and a clean, flat workspace. Ensure you have plenty of time and patience, as the process requires careful handling to avoid damaging the cover or foam.
Preparing Your Workspace and Seat
Start by moving your Foonf or Fllo to a clean, flat surface with good lighting. Remove any accessories, such as the anti-rebound bar or harness covers, to make the seat easier to handle. If your seat has a removable headrest, take it off as well. This will give you better access to the cover and foam.
Next, locate the cover attachment points. Most Clek covers are secured with elastic loops, hooks, or plastic clips. Familiarize yourself with these before you start removing the cover. Having a clear view of how the cover is attached will make reinstallation much easier later.
- Work in a well-lit area to avoid missing any clips or hooks.
- Keep all screws and small parts in a labeled bag to avoid losing them.
Removing the Seat Cover
Begin by unzipping any zippers on the cover, if present. Then, carefully detach the elastic loops from the seat shell. Use a flat-head screwdriver to gently pry off any plastic clips, taking care not to bend or break them. Work your way around the seat, releasing each attachment point systematically.
Once all attachments are released, carefully lift the cover off the seat shell. If the cover feels stuck, double-check for any remaining clips or hooks. Do not pull forcefully, as this can tear the fabric or damage the foam underneath.
- Take photos of the cover attachment points before removal to help with reinstallation.
- If the cover is difficult to remove, check for hidden zippers or clips.
Removing the Old Foam
With the cover removed, you'll see the foam pieces that provide cushioning. These are typically held in place by friction or plastic retainers. Gently lift the foam out of the seat shell. If it's stuck, use a soft pry tool to loosen it, but avoid using excessive force.
Inspect the foam for any damage or wear. If it's merely compressed, you might consider replacing it to restore optimal comfort and safety. Note the orientation of the foam pieces so you can install the new ones correctly.
- Check the foam for any signs of moisture or mold, which could indicate a deeper issue.
- Keep the old foam handy as a reference for the new foam's placement.
Installing the New Foam
Take your new seat foam and align it with the seat shell, ensuring it matches the contours and cutouts. Press it firmly into place, making sure it sits flush and covers all areas as intended. If there are multiple foam pieces, install them in the correct order and orientation.
Once the foam is in place, run your hands over it to check for any gaps or misalignments. The foam should fit snugly and not shift when you move the seat. If it seems loose, reposition it until it sits correctly.
- Use the old foam as a template to ensure correct placement.
- If the new foam has adhesive backing, peel off the protective film and press firmly.
Reinstalling the Seat Cover
Now that the foam is in place, carefully drape the seat cover back over the seat. Start by aligning the cover with the top of the seat and work your way down, reattaching all clips, hooks, and elastic loops. Ensure the cover is smooth and free of wrinkles, as bunched fabric can cause discomfort.
Zip up any zippers and double-check that all attachment points are secure. Give the cover a gentle tug to ensure it's firmly attached. A properly reinstalled cover should not shift or slide when the seat is in use.
- Check that the harness straps are properly threaded through the cover slots.
- If the cover has a removable headrest, reattach it last.
Step-by-Step Replacement Process
- Step 1: Prepare the workspace: Move the seat to a clean, flat surface and remove any accessories like the anti-rebound bar or harness covers. A clear workspace reduces the risk of losing small parts.
- Step 2: Remove the seat cover: Unzip zippers, detach elastic loops, and use a flat-head screwdriver to release plastic clips. Carefully lift the cover off. Take photos of attachment points to make reinstallation easier.
- Step 3: Take out the old foam: Gently lift the foam out of the seat shell, noting its orientation. Inspect for damage or wear. Use the old foam as a reference for installing the new one.
- Step 4: Install the new foam: Align the new foam with the seat shell and press firmly. Ensure it sits flush and covers all areas. Check for gaps or misalignment before moving on.
- Step 5: Reinstall the seat cover: Drape the cover over the seat, reattach all clips, hooks, and elastic loops. Zip up zippers and smooth out wrinkles. Ensure the cover is secure and the harness straps are properly threaded.
Product Facts
- Foonf/Fllo Harness Covers: Clek Foonf/Fllo Harness Covers are replacement parts designed for use with Clek car seats. These covers are available in a range of color options to match your seat or style. While replacing the seat foam, you may want to also refresh the harness covers for a complete look and added comfort.
- Foonf Anti-Rebound Bar: Replacement anti-rebound bar for 2014 and newer model Foonf, comes complete with sleeve and locking pins. If you're already working on your seat, it's a good time to inspect the anti-rebound bar and replace it if needed for optimal safety.
Replacing the seat foam in your Clek Foonf or Fllo is a manageable DIY task that can significantly improve comfort and extend the life of your seat. By following these steps and avoiding common mistakes, you'll have your seat looking and feeling like new in no time. For any replacement parts you might need, consider checking out our selection of genuine Clek accessories, such as the Foonf/Fllo Harness Covers, to complete the refresh.



