If you own a Jeep Wrangler or are thinking about getting one, understanding the changes in the JL suspension is crucial for your ride quality and off-road performance. You might have noticed that the JL model feels different compared to the older JK, but what exactly changed under the hood?
From improved steering components to better shock absorbers, these updates are designed to give you more control, comfort, and durability both on and off the road. Keep reading to discover how the JL suspension transforms your driving experience and why these changes matter for every Jeep enthusiast like you.
Steering System Upgrades
The Jeep Wrangler JL introduced key upgrades to its steering system. These changes improve control and reduce common issues. Drivers experience smoother handling and better response on rough terrain. The steering feels more precise and durable.
Improved Steering Box
The steering box received a major redesign. It now handles stress better and lasts longer. This upgrade reduces vibrations that cause the “death wobble.” Drivers notice a firmer and more consistent steering feel. The improved box enhances overall vehicle stability.
Revised Trackbar Bushings
The trackbar bushings were updated with harder rubber material. This change cuts down on play and movement in the steering system. It keeps the axle aligned properly during off-road driving. The revised bushings help maintain precise steering on rough trails.
Enhanced Steering Damper
The steering damper became stiffer and more effective. It absorbs shocks from uneven surfaces better than before. This upgrade lowers the chance of steering wheel vibrations. The enhanced damper adds confidence and comfort while driving off-road.
Front Suspension Improvements
The Jeep Wrangler JL features notable front suspension improvements. These upgrades provide better ride comfort and off-road capability. Jeep focused on enhancing key components to increase durability and control. The changes help the vehicle handle rough terrain with more stability and less wear.
Updated Coil Springs
The front coil springs in the JL are redesigned for improved performance. They offer a smoother ride by absorbing bumps more effectively. The springs also support better articulation during off-road driving. This means the wheels stay in contact with the ground longer, improving traction.
Strengthened Control Arms
Jeep strengthened the front control arms to boost durability. The new arms resist bending and damage on tough trails. They provide more precise wheel alignment for better handling. Stronger control arms reduce the need for frequent repairs and replacements.
Upgraded Sway Bar End Links
The sway bar end links received an upgrade for added stability. They connect the sway bar to the suspension more securely. This upgrade reduces body roll during cornering and uneven surfaces. Drivers experience improved control and confidence on and off-road.
Rear Suspension Enhancements
The rear suspension of the Jeep Wrangler JL received key upgrades. These changes improve ride comfort and off-road capability. The updates focus on stronger parts and better control of the rear axle. This section highlights the main enhancements to the rear suspension system.
New Lower And Upper Control Arms
The JL Wrangler features redesigned lower and upper control arms. These arms use stronger materials for added durability. Their geometry has been improved to better manage axle movement. This leads to smoother rides on rough terrain. The new control arms also reduce unwanted vibrations. They help keep the rear axle stable under load.
Reinforced Rear Suspension Components
Jeep reinforced several rear suspension parts for greater strength. The mounting points now handle stress more effectively. This reduces wear and the risk of damage during heavy use. Components like bushings and brackets are upgraded with tougher materials. These changes extend the suspension’s lifespan. They also enhance the Wrangler JL’s ability to handle rough trails.
Axle And Driveshaft Changes
The Jeep Wrangler JL brought noticeable improvements to its axle and driveshaft components. These changes enhance durability and performance off-road. They also improve the overall driving experience on rough terrain. Jeep focused on reinforcing the axles and refining the driveshaft design. This section dives into those key updates.
Stronger Axles Compared To Jk
The JL uses axles that are thicker and more robust than the JK model. These stronger axles handle more torque and stress. They reduce the risk of bending or breaking during tough trails. Jeep upgraded the axle shafts and housing for better durability. This upgrade means less maintenance and more confidence off-road. The improved axles also support larger tires better than before.
Modified Driveshaft Design
The driveshaft design in the JL is more refined and reliable. Jeep changed the angles and lengths to reduce vibrations. This leads to a smoother ride and less wear on components. The new design improves power delivery to the wheels. It also minimizes noise during acceleration. Jeep used stronger materials for the driveshaft to increase longevity. This update makes the JL more capable and comfortable on all terrains.
Suspension Lift Kits And Options
The Jeep Wrangler JL offers various suspension lift kits and options to enhance off-road performance and improve ride quality. These kits help increase ground clearance and allow for larger tires. They cater to both casual drivers and serious off-road enthusiasts. Each option focuses on different components of the suspension system, providing multiple ways to lift and strengthen the Jeep JL.
Longer Springs For Lift
Longer springs raise the Jeep’s body higher from the frame. They provide more space for bigger tires and better wheel articulation. These springs maintain the vehicle’s factory ride quality while adding lift. They come in different lengths to suit specific lift heights. Installing longer springs is a common and effective way to lift the JL Wrangler.
Shock Absorber Upgrades
Upgraded shocks improve control and comfort over rough terrain. They handle the increased height from lift kits better than stock shocks. These shocks reduce bounce and sway on trails and highways. Many offer adjustable damping to customize the ride feel. Quality shock absorbers protect suspension parts and improve overall vehicle stability.
Control Arm And Track Bar Kits
Control arm and track bar kits correct alignment after lifting the Jeep. They keep the axles centered under the frame for better handling. These kits reduce stress on suspension joints and prevent premature wear. Adjustable control arms allow fine-tuning of suspension geometry. Track bar upgrades improve steering precision and reduce unwanted movement.
Death Wobble Fixes
The Jeep Wrangler JL brought several updates to address the infamous death wobble. This problem causes the front end to shake violently at certain speeds. Jeep improved the suspension and steering components to reduce this issue. Let’s explore the common causes and how Jeep fixed them.
Causes Of Death Wobble
Death wobble happens due to worn or loose parts in the steering and suspension. Loose track bar bushings often cause it. Worn ball joints and tie rods add to the problem. Uneven tire wear and unbalanced wheels also contribute. The original JK Wrangler had similar issues that Jeep worked to fix in the JL.
Steering And Suspension Solutions
Jeep upgraded the track bar bushings with harder rubber for better stability. The steering damper was stiffened to reduce vibrations. The steering knuckles were redesigned for increased strength. Control arms and sway bar links were improved to handle rough terrain better. These changes help keep the front end stable and reduce wobble.
Power Steering Pump Updates
The power steering pump received updates to improve fluid flow and reduce noise. It now provides smoother steering feel and better response. The new pump helps reduce the jerky movements that can trigger death wobble. These improvements ensure more precise control and safer driving experience.
Additional Suspension Components
The Jeep Wrangler JL suspension includes new additional components that enhance durability and performance. These parts protect vital elements and improve ride quality. They work together to give better off-road capability and smoother driving.
These components focus on protection and flexibility. They reduce damage risks from rough terrains. The suspension feels stronger and more reliable with these updates.
Gas Tank Skid Plate
The gas tank skid plate shields the fuel tank from rocks and debris. It is made from tough materials that resist dents and punctures. This plate prevents damage during off-road adventures. It adds an extra layer of safety to the fuel system. The skid plate fits tightly and does not affect ground clearance.
Patented Duroflex Joints
The patented Duroflex joints replace traditional suspension bushings. They allow more flex while keeping control tight. These joints reduce vibrations and harshness on rough roads. The design improves wheel articulation and stability. This means better traction and comfort on uneven trails. They last longer and need less maintenance than older parts.
Comparing Jl And Jk Suspensions
Comparing the Jeep Wrangler JL and JK suspensions reveals key updates. Jeep improved ride quality, off-road ability, and durability. Changes affect shocks, axles, and steering components. These updates impact Jeep owners who want better performance and easier maintenance.
Shock Compatibility
The JL uses different shock mounts than the JK. This means JK shocks do not fit the JL directly. Jeep upgraded the shock absorbers for better damping and comfort. The JL shocks handle rough terrain more smoothly. Swapping shocks between models requires adapters or new parts.
Axle Strength Differences
The JL axles are stronger than those on the JK. Jeep reinforced axle shafts and housings. This upgrade reduces the risk of bending or breaking off-road. JL axles can handle larger tires and more torque. Off-road drivers benefit from this added durability.
Steering Performance
Steering in the JL is more precise than in the JK. Jeep fixed issues like the “death wobble” by improving the steering box. Track bar bushings use harder rubber to reduce play. The steering damper is also stiffer, increasing stability. Drivers enjoy smoother, safer handling on and off-road.
Frequently Asked Questions
What Year Jeep Wrangler Jl To Avoid?
Avoid the 2018 Jeep Wrangler JL due to early steering box and suspension issues. Later models fixed these problems.
Are Jk And Jl Shocks The Same?
JK and JL shocks are not the same. JL shocks have updated designs for improved ride quality and durability.
Are Jl Axles Stronger Than Jk?
JL axles are generally stronger than JK axles due to improved design and upgraded materials. They handle higher torque and stress better.
What Is The Best Suspension For A Jeep Wrangler?
The best suspension for a Jeep Wrangler depends on your needs. Metalcloak’s JL Long Arm offers durability and smooth off-road performance. Lift kits with upgraded shocks and control arms improve ground clearance and handling. Choose based on terrain, ride comfort, and budget for optimal results.
Conclusion
The Jeep Wrangler JL suspension saw important updates for better control and comfort. It improved steering stability and reduced common issues like death wobble. New parts use stronger materials and smarter designs. These changes help the Jeep handle rough trails more smoothly.
Drivers can enjoy a safer and more reliable ride. Understanding these updates makes it easier to choose the right Jeep model or upgrade parts. The JL suspension reflects Jeep’s effort to enhance off-road performance while keeping everyday driving comfortable.