Rev Up Your Automotive Smarts

Control Arm Replacement: Can I Save Money by Doing It Myself?

What to know

  • Locate the sway bar link connecting to the control arm and use a socket wrench to disconnect it.
  • Use a socket wrench to remove the bolts holding the control arm in place.
  • Whether or not you can replace a control arm yourself depends on your mechanical skills, the availability of tools, and your comfort level working on your vehicle.

Are you questioning your ability to tackle the task of replacing a control arm on your own? Wondering if it’s a job best left to the professionals? This comprehensive guide will delve into the intricacies of control arm replacement, empowering you with the knowledge to make an informed decision: “Can I Replace a Control Arm Myself?”

Assessing Your Mechanical Skills

Replacing a control arm requires a certain level of mechanical aptitude and experience. If you possess the following skills, you may be well-equipped for the task:

  • Basic knowledge of automotive systems
  • Familiarity with suspension components
  • Experience using hand tools and power tools

Tools and Equipment Required

To successfully replace a control arm, you’ll need the following tools:

  • Socket wrench set
  • Ratchets
  • Torque wrench
  • Ball joint press
  • Jack and jack stands
  • Pry bar
  • New control arm

Safety First

Before embarking on any repair task, prioritize safety:

  • Wear appropriate safety gear (gloves, safety glasses)
  • Park your vehicle on a level surface, engage the parking brake, and place wheel chocks
  • Allow the vehicle to cool down if it was recently driven

Step-by-Step Guide

Follow these steps to replace a control arm:

1. Remove the Wheel

Use a socket wrench to loosen the lug nuts, then remove the wheel.

2. Support the Vehicle

Position a jack under the vehicle’s designated jack point and raise it until there’s approximately 6 inches of clearance. Place jack stands for additional support.

3. Disconnect the Sway Bar

Locate the sway bar link connecting to the control arm and use a socket wrench to disconnect it.

4. Remove the Ball Joint

Using a ball joint press, separate the ball joint from the steering knuckle.

5. Unbolt the Control Arm

Use a socket wrench to remove the bolts holding the control arm in place.

6. Replace the Control Arm

Position the new control arm in place and secure it with the bolts. Tighten them to the specified torque using a torque wrench.

7. Reattach the Ball Joint

Connect the ball joint to the steering knuckle using the ball joint press.

8. Reconnect the Sway Bar

Reattach the sway bar link to the control arm.

9. Install the Wheel

Place the wheel back on and tighten the lug nuts by hand. Lower the vehicle and fully tighten the lug nuts using a torque wrench.

Alignment Considerations

After replacing a control arm, it’s crucial to have your vehicle’s alignment checked and adjusted by a professional. Improper alignment can cause premature tire wear and affect handling.

Final Thoughts: Empowering Your Decision

Whether or not you can replace a control arm yourself depends on your mechanical skills, the availability of tools, and your comfort level working on your vehicle. If you possess the necessary knowledge, experience, and tools, you may be able to tackle this task successfully. However, if you’re uncertain or lack confidence, seeking professional assistance is always a prudent choice.

What You Need to Know

1. What are the symptoms of a faulty control arm?

  • Clunking or rattling noises while driving
  • Uneven tire wear
  • Vehicle pulling to one side
  • Difficulty steering

2. How long does it take to replace a control arm?

The time required varies depending on your experience and the vehicle model, but it typically takes between 2-4 hours.

3. Can I drive with a broken control arm?

It’s not advisable. Driving with a broken control arm can compromise handling, steering, and braking, posing a safety hazard.

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About the Author
Cars have been my passion from a young age as I enjoyed learning how engines work, spending hours dreaming about the supercars I hoped to own, and I now have my dream job as a product designer for a luxury automaker. In my spare time I love going to car...