When diagnosing steering issues, one of the most common culprits is the inner tie rod. While outer tie rods are more visible and commonly replaced, the inner tie rod is just as critical to safe and precise steering. In this guide, we’ll break down what inner tie rods do, how to spot a failing one, and why choosing the right replacement matters for both daily drivers and performance cars.
For a quick overview of failure symptoms, check out our main feature: 5 Signs Your Inner Tie Rod Is Failing and How to Replace It.
What Is an Inner Tie Rod?
The inner tie rod is a vital steering component that connects the steering rack to the outer tie rod end. Together, they allow your wheels to turn in response to steering wheel input. Unlike the outer tie rod, which attaches to the steering knuckle, the inner tie rod is located deeper inside the steering assembly, making it slightly harder to inspect and replace.
Function of an Inner Tie Rod
- Transfers Steering Input: Converts motion from the rack-and-pinion assembly to the outer tie rod.
- Maintains Alignment: Ensures wheels track straight and respond consistently.
- Handles Stress: Bears high loads during cornering, drifting, and rough road conditions.
- Critical Safety Component: A failed inner tie rod can result in unpredictable steering or total loss of control.
Symptoms of a Bad Inner Tie Rod
Recognizing inner tie rod symptoms early can prevent serious safety issues. Common signs include:
- Loose Steering: Excessive play in the steering wheel.
- Clunking Noise: Knocking sounds over bumps or while turning.
- Uneven Tire Wear: Misalignment caused by excessive movement.
- Steering Wheel Vibration: Especially noticeable at highway speeds.
- Poor Alignment: Difficulty keeping the car straight even after alignment service.
Inner vs Outer Tie Rods
Although they work together, inner and outer tie rods have different roles:
- Inner Tie Rod: Connects to the steering rack, hidden under the boot.
- Outer Tie Rod: Connects to the steering knuckle, visible when inspecting suspension.
Both need to be in good condition for precise steering response.
Replacing an Inner Tie Rod
While it requires some mechanical skill, replacing an inner tie rod can be done at home with the right tools:
- Lift the vehicle and remove the wheel.
- Detach the outer tie rod from the steering knuckle.
- Slide back the steering rack boot to access the inner tie rod.
- Unscrew the inner tie rod using a tie rod tool.
- Install the new tie rod, securing with thread locker if specified.
- Reinstall the boot and outer tie rod.
- Always finish with a professional alignment.
Performance Applications – Inner Tie Rods in Motorsports
In motorsports, especially drifting and racing, inner tie rods are placed under extreme stress. Angle kits, wider steering angles, and aggressive setups increase the load on these components. Upgraded inner tie rods with reinforced materials are often required to handle the forces involved.
At SLRSpeed, our steering components are designed with competition in mind, ensuring durability and precision under the harshest conditions.
FAQs About Inner Tie Rods
How long do inner tie rods last?
On street cars, they can last 50,000–100,000 miles. On drift or track cars, inspection should be far more frequent due to higher loads.
Can I drive with a bad inner tie rod?
It’s unsafe. A failing tie rod can cause unpredictable steering or total failure, risking accidents.
Do inner tie rods affect alignment?
Yes. A worn tie rod throws off alignment, causing uneven tire wear and poor handling.
Conclusion: Why Inner Tie Rods Matter
The inner tie rod may not be as visible as other suspension parts, but its role in steering safety and performance is critical. Whether you’re daily driving or pushing limits on track, keeping inner tie rods in top condition ensures consistent handling and peace of mind.
Learn more about diagnosing failures in our feature: 5 Signs Your Inner Tie Rod Is Failing. For high-performance builds, explore SLRSpeed Tie Rod Solutions engineered for racing and drifting.
