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Control Arm

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If your car is shaking excessively or uncontrollably, one possible cause is a damaged control arm. The control arm is found at the top and bottom of the front wheels' spindle, and they make changing directions possible. If a control arm is broken, it won't be able to turn your wheels-and you won't be able to get your car to turn. You can easily remedy this problem using a trusty Control Arm Kit. Most control arm kits already contain the necessary components for convenient replacement of a damaged control arm. This kit allows you to easily restore the manageability of your vehicle. Precise placement of the parts is important to ensure the control arm's reliable performance. The control arm's narrow end-the bottom part of the V-shaped structure-needs to be attached to the steering knuckle and pivots of a ball joint while the broad end should be connected to the frame and pivot of a bushing. A new control arm will surely eliminate flexing and other unnecessary movements of the vehicle. Keep in mind that most front-wheel drive vehicles only have lower control arms if they have struts in place of shocks. Vehicles with upper and lower control arms are mostly SUVs and trucks. Regardless of the type of vehicle you drive, you can easily get a high-quality Control Arm Kit here at Auto Parts warehouse. Do not hesitate to browse through our online product catalog for you to find the kit that's most suitable for your ride.

Repair Guides
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Mending the Wishbone: How to Repair a Control Arm

The control arm, or otherwise known as the wishbone, is part of the suspension system that pivots in two places. However, if this gets busted, you'll find it hard to drive your automobile because the wheel might not cooperate properly with your steering. So don't fret if you break the wishbone because we're making your wish come true by providing you with a step-by-step process on how to repair the control arm.

Difficulty level:Difficult

Tools you'll need:

  1. Pry bar
  2. Torque wrench
  3. Ball joint separator
  4. Pall peen hammer

Step 1: When replacing the control arm, you'd want to work on a flat surface. So, make sure to park your car on an even concrete and set the parking brake. Using a tire iron or a breaker bar, loosen up the front wheel lug nuts, but be careful not to remove them.

Step 2: Using the floor jack, lift the front of the automobile and secure it with jack stands on both sides for safety. Take note that you should not rely on the jack to hold the car up while working, so you have to be careful.

Step 3: Remove the front wheel lug nuts and remove the wheel itself.

Step 4: If the car has a coil spring with an SLA suspension, support the lower control arm using a floor jack close to the ball joint. The coil spring must be considered before you take off the lower control arm. However, if the car has a torsion bar suspension, tension on the bar must be removed.

Step 5: If there's a cotter pin, remove it from the ball joint nut. Loosen up the nut, but don't remove. If it comes with a pinch bolt, then remove the bolt as well.

Step 6: Using a ball joint separator, separate the ball joint from the knuckle. Remove the nut and take the knuckle out.

Step 7: Unbolt any other units that are still connected to the lower control arm. Next, remove the control arm mounting bolts and take out the whole assembly.

Step 8: Install the new control arm on the car and put in the mounting bolts. Make sure not to torque the bolts until the automobile is at normal riding height.

Step 9: Mount the steering knuckle back on the control arm/ball joint assembly. Then, torque the castle nut according the specifications of the manufacturer. Install a new cotter pin and put all the components back into the control arm.

Step 10: Put back the front wheels and the lug nuts. Lower the car, torque the lug nuts and the control arm mounting bolts, and your job is done.

Warning: Make sure that you wear safety goggles, latex gloves, and closed toe shoes when working.