Owning a Jeep YJ can be fun. It is strong and adventurous. But sometimes, it needs updates. One such update is changing rear drum brakes to disc brakes. This update helps in many ways. It can make your Jeep safer. It can also make it perform better.
Why Convert to Rear Disc Brakes?
Drum brakes are old. They work but not as well as disc brakes. Disc brakes give better stopping power. They are more reliable. They work well in wet conditions. Drum brakes can fade when hot. Disc brakes stay strong even then.
Benefits Of Disc Brakes
- Better Performance: Disc brakes stop the Jeep faster.
- Less Maintenance: They need less care than drum brakes.
- Longer Life: Disc brakes last longer.
Now, let us talk about how to make this change. Converting rear brakes is not very hard. You need some tools and parts. You also need a little time.
Tools Needed for Conversion
Before you start, gather these tools:
- Socket set
- Wrench set
- Brake fluid
- Disc brake kit
- Jack and stands
- Safety glasses
- Gloves
Having these tools ready will make the job easier. Safety glasses and gloves protect you. A jack and stands help lift the Jeep safely.

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Steps to Convert Rear Drum Brakes to Disc Brakes
Step 1: Prepare The Jeep
First, park your Jeep YJ on a flat surface. Make sure it is safe. Put the gear in park. Use the handbrake. Next, use the jack to lift the Jeep. Place the stands under the Jeep. This keeps it stable.
Step 2: Remove The Drum Brakes
Now, take off the wheels. Use the wrench to remove them. After that, remove the drum brakes. Be careful here. The parts can be heavy. Keep them in a safe place.
Step 3: Install The Disc Brake Kit
Now, it is time to put the new brakes. Follow the instructions in the kit. Attach the caliper and rotor. Make sure they fit well. Tighten all bolts properly. This step is very important.
Step 4: Connect Brake Lines
Connect the brake lines to the calipers. This step is crucial. It lets the fluid flow. Make sure there are no leaks. Test them well.
Step 5: Add Brake Fluid
Now, add brake fluid. Fill the reservoir. Check the level. Make sure it is full. This fluid helps the brakes work.
Step 6: Test The Brakes
Lower the Jeep from the stands. Put the wheels back on. Now, test the brakes. Drive slowly. Check if they work well. Make sure they stop the Jeep quickly.

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Common Mistakes to Avoid
Sometimes, things can go wrong. Here are some mistakes to avoid:
- Not tightening bolts enough
- Forgetting to check brake fluid
- Ignoring small leaks
Avoid these mistakes. They can affect brake performance. Always double-check your work.
Frequently Asked Questions
What Are The Benefits Of Converting To Rear Disc Brakes?
Rear disc brakes provide better stopping power. They are also easier to maintain than drum brakes.
How Difficult Is A Jeep Yj Rear Disc Brake Conversion?
The conversion is moderately difficult. Basic mechanical skills are needed.
What Tools Are Required For The Conversion?
You need wrenches, a jack, and brake tools. Basic garage tools usually suffice.
Can I Convert My Jeep Yj Brakes At Home?
Yes, it’s possible. Ensure you have the right tools and instructions.
Conclusion
Converting Jeep YJ’s rear brakes to disc brakes is wise. It improves safety. It enhances performance. It also reduces maintenance. With the right tools, you can do it yourself. Follow the steps carefully. Enjoy your Jeep with better brakes.
Now, your Jeep is ready for more adventures. Safe travels!
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