my Genesis G70 IG (2017-2023) has a knocking noise when turning

Genesis G70 IG (2017-2023)

Error Codes

3-5 hours

Time

medium

Difficulty

medium

Severity

3 min read

561 words

Problem Statement

Learn how to diagnose and fix knocking noise when turning in Genesis G70 (2017-2023). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Suspension

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Ensure the vehicle is securely supported on jack stands before working beneath it.

Symptoms

•Knocking noise during turns
•Reduced steering responsiveness
•Vibration felt in the steering wheel
•Abnormal tire wear observed
•Steering wheel misalignment

Diagnostic Steps

1
Inspect the front suspension components for any visible damage or wear.
2
Check the steering linkage and rack for play or looseness.
3
Perform a road test to replicate the knocking noise while turning.
4
Examine the CV joints and boots for any signs of damage or leaks.
5
Use a stethoscope to isolate the source of the noise during a test drive.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Socket set
•Torque wrench
•Wrench set
•Pliers
•Jack and jack stands

Parts Required

•Control arms (if needed)
•Tie rods (if needed)
•CV joints (if needed)

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Diagnostic Steps

1
Inspect the front suspension components for any visible damage or wear.
2
Check the steering linkage and rack for play or looseness.
3
Perform a road test to replicate the knocking noise while turning.
4
Examine the CV joints and boots for any signs of damage or leaks.
5
Use a stethoscope to isolate the source of the noise during a test drive.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and engage the parking brake.
Disconnect the battery to prevent electrical issues.

2. Raise the Vehicle

Use a jack to lift the front of the vehicle and secure it on jack stands.
Ensure the vehicle is stable before proceeding.

3. Inspect and Replace Components

A. Suspension Inspection

Tools Required: Socket set, torque wrench
Inspect control arms, bushings, and struts for wear.
Replace any worn or damaged parts.
- Sub-steps:
  1. Remove the wheel using a socket set.
  2. Inspect control arm bushings for cracks or play.
  3. If damaged, remove the control arm bolts and replace the arm with a new one.
  4. Torque the control arm bolts to the manufacturer's specifications.

B. Steering Linkage Check

Tools Required: Wrench set
Inspect the steering rack and tie rods.
Replace any worn tie rods or steering components.
- Sub-steps:
  1. Remove the cotter pins and nuts from the tie rod ends.
  2. Disconnect the tie rod ends from the steering knuckle.
  3. Replace with new tie rods and secure them with the nuts, using a torque wrench to the specified torque.

C. CV Joint Inspection

Tools Required: Pliers, socket set
Check CV joints for wear or damage.
Replace any damaged CV joints or boots.
- Sub-steps:
  1. Remove the axle nut and disconnect the axle from the hub.
  2. Inspect the CV joint for excessive play or torn boots.
  3. Replace the CV joint if necessary and reassemble using a torque wrench.

4. Reassemble and Lower the Vehicle

Reattach the wheels and lower the vehicle from the jack stands.
Reconnect the battery.