Jeep Tj Soft Top Rear Window Replacement : Sliding Window Replacement Guide

Replacing the rear window on a Jeep TJ soft top requires careful removal of the zipper and plastic framing to avoid tearing. This is a common repair for Wrangler owners, especially after years of sun exposure or accidental damage. The process is straightforward if you take your time and use the right tools.

You don’t need to replace the entire soft top just because the rear window is cracked or cloudy. A dedicated replacement saves you money and keeps your Jeep looking sharp. In this guide, we will walk through every step, from removing the old window to installing the new one.

Jeep Tj Soft Top Rear Window Replacement

Before you start, gather your supplies. You will need a new rear window kit designed for your TJ soft top. Most kits include the window, zipper slider, and sometimes adhesive. You also need a flathead screwdriver, a heat gun or hair dryer, rubbing alcohol, and a clean rag.

Work in a warm area if possible. Cold plastic becomes brittle and prone to cracking. A garage or driveway on a sunny day works best. Lay down a blanket or tarp to protect the window from scratches during the process.

Assess The Damage And Choose The Right Kit

Check if the zipper is stuck or if the plastic has yellowed. If the zipper teeth are bent, you may need to replace the slider too. Most replacement kits come with a new zipper slider, but confirm this before ordering.

  • Measure your existing window width and height.
  • Check the brand of your soft top (Bestop, Rampage, etc.).
  • Order a kit that matches your top’s year and model.

Using the wrong size will cause fitment issues. Double-check the product description before buying.

Remove The Soft Top From The Jeep (Optional But Helpful)

You can replace the rear window with the top still on the Jeep, but removing it gives you better access. Unzip the side windows and fold the top down. Unsnap the top from the roll bar and lift it off. Place it on a flat surface like a workbench or clean driveway.

If you leave the top on, support the rear section with a towel so it doesn’t sag. This prevents stress on the zipper during installation.

Step-By-Step Removal Of The Old Rear Window

Start by unzipping the rear window completely. If the zipper is stuck, apply a silicone lubricant and gently work it back and forth. Do not force it, as this can tear the fabric.

Remove The Zipper Slider

Locate the zipper stop at the bottom of the zipper track. Use a flathead screwdriver to pry it off carefully. Slide the zipper slider off the track once the stop is removed. Set the slider aside; you may reuse it if it is not damaged.

  1. Pry the zipper stop gently with a screwdriver.
  2. Pull the slider off the track.
  3. Check the slider for wear or bent teeth.

Separate The Plastic Framing From The Fabric

The rear window is held in place by a plastic frame that is sewn into the soft top. Use a heat gun on low setting to warm the plastic. This softens it and makes it easier to pull apart. Work slowly around the entire perimeter.

Insert a flathead screwdriver between the plastic frame and the fabric. Pry gently to separate them. Be careful not to cut or tear the fabric. If the plastic is brittle, it may crack. That is okay, as you are removing the old frame anyway.

Remove The Old Window And Frame

Once the frame is separated, pull the old window out. You may need to cut the plastic frame if it is stuck. Use a utility knife, but keep the blade away from the fabric. Discard the old window and frame.

Clean the fabric area where the new window will attach. Use rubbing alcohol to remove dirt and adhesive residue. Let it dry completely before proceeding.

Installing The New Rear Window

Now you are ready to put in the new window. Most kits come with a pre-assembled plastic frame. If yours does not, you will need to insert the window into a new frame. Follow the kit instructions closely.

Prepare The New Window And Frame

Lay the new window on a clean surface. If the kit includes adhesive, apply it to the plastic frame as directed. Some kits use a snap-in design that does not require glue. Check your kit type.

  • Test fit the window before applying adhesive.
  • Mark alignment points with a pencil.
  • Warm the plastic frame with a heat gun for flexibility.

Attach The New Window To The Soft Top

Start at the bottom edge. Insert the plastic frame into the fabric channel. Work your way around, pressing firmly. Use a heat gun to soften the plastic if it resists. Ensure the window is centered and straight.

If your kit uses adhesive, apply it sparingly. Too much glue can ooze out and look messy. Wipe away excess immediately with a damp cloth.

Reinstall The Zipper Slider

Slide the zipper slider onto the track. Make sure it is oriented correctly (the pull tab should face outward). Reattach the zipper stop at the bottom. Test the zipper by moving it up and down. It should glide smoothly.

  1. Align the slider with the zipper teeth.
  2. Press it onto the track until it clicks.
  3. Install the zipper stop with pliers.

Allow Adhesive To Cure

If you used glue, let it cure for at least 24 hours before using the top. Do not zip or unzip the window during this time. Keep the top in a warm, dry place to speed up curing.

Common Mistakes To Avoid

Many people rush the removal step and tear the fabric. Take your time with the heat gun. Another mistake is using too much force on the zipper. If it sticks, lubricate it rather than yanking.

Do not skip cleaning the fabric. Dirt and grease prevent the adhesive from bonding. Also, avoid installing the window in cold weather, as the plastic becomes stiff and hard to work with.

Tips For A Long-Lasting Installation

  • Apply a UV protectant spray to the new window.
  • Keep the zipper clean and lubricated.
  • Store the soft top in a cool, dry place when not in use.

Regular maintenance extends the life of your replacement. Check the zipper and frame annually for signs of wear.

Tools And Materials Checklist

Here is a quick list of everything you need:

  • New rear window kit
  • Flathead screwdriver
  • Heat gun or hair dryer
  • Rubbing alcohol
  • Clean rag
  • Silicone lubricant
  • Pliers
  • Utility knife (optional)

Having these items ready saves time and frustration. Do not substitute tools; using a knife instead of a screwdriver can damage the fabric.

Frequently Asked Questions

Can I Replace Just The Rear Window Without Removing The Whole Top?

Yes, you can replace the rear window with the top on the Jeep. It is easier to remove the top, but not required. Just support the rear section to avoid sagging.

How Long Does A Jeep TJ Soft Top Rear Window Replacement Take?

The process takes about 1 to 2 hours for removal and installation. Add 24 hours for adhesive curing if you use glue. Plan accordingly.

What If My Zipper Is Broken?

You can replace the zipper slider separately. If the teeth are damaged, you may need a new window kit that includes a full zipper assembly. Some kits come with a replacement zipper track.

Can I Use A Universal Rear Window For My TJ?

Universal windows may fit, but they often require trimming or modification. It is better to buy a kit made specifically for your Jeep TJ soft top to ensure proper fit and sealing.

How Do I Clean The New Rear Window?

Use a mild soap and water solution. Avoid ammonia-based cleaners, as they can cloud the plastic. Dry with a soft microfiber cloth to prevent scratches.

Final Thoughts On The Replacement Process

Replacing the rear window on your Jeep TJ soft top is a manageable DIY job. With patience and the right tools, you can restore your top to like-new condition. The key is to work slowly, especially when removing the old plastic frame.

Remember to check the zipper operation after installation. A smooth zipper prevents future issues. If you encounter stubborn adhesive, use a little more heat to soften it. Do not force anything.

Your Jeep will look great with a clear rear window. Enjoy the improved visibility and the satisfaction of a job well done. If you have any doubts, consult your soft top manufacturer’s instructions for specific details.