how to address a knocking noise in my Genesis G70 IG (2017-2023) when turning?

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

531 words

Problem Statement

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

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical components.
•Ensure the vehicle is securely lifted and supported before working underneath it.

Symptoms

•Knocking noise during left or right turns
•Vibration felt through the steering wheel
•Clunking sound when going over bumps
•Uneven tire wear
•Difficulty in steering or loose steering feel

Diagnostic Steps

1
Inspect the suspension components visually for signs of wear or damage.
2
Check the power steering fluid level and condition.
3
Lift the vehicle and check for play in the wheel bearings and suspension joints.
4
Test the steering system for any abnormal resistance or noise.
5
Inspect the CV joints for damage or torn boots.
6
Scan for any fault codes related to the steering or suspension systems.

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
•Jack stands
•Pry bar
•Funnel

Parts Required

•Replacement suspension components (if needed)
•Power steering fluid
•CV joint or axle assembly (if needed)

Related Faults

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Diagnostic Steps

1
Inspect the suspension components visually for signs of wear or damage.
2
Check the power steering fluid level and condition.
3
Lift the vehicle and check for play in the wheel bearings and suspension joints.
4
Test the steering system for any abnormal resistance or noise.
5
Inspect the CV joints for damage or torn boots.
6
Scan for any fault codes related to the steering or suspension systems.

Solution

1. Preparation

Gather tools and parts required for repairs.
Park the vehicle on a level surface and engage the parking brake.

2. Inspect and Replace Suspension Components

Tools Required: Socket set, torque wrench, jack stands, pry bar.
Sub-steps:
1. Safely lift the vehicle using a jack and secure it with jack stands.
2. Remove the front wheel on the side where the noise is occurring.
3. Use a pry bar to check for play in the lower control arm and strut assembly.
4. If any components are worn or damaged (such as bushings or ball joints), replace them as necessary.
5. Torque new components to the specifications provided in the service manual.

3. Check and Refill Power Steering Fluid

Tools Required: Funnel.
Sub-steps:
1. Locate the power steering reservoir and remove the cap.
2. Check fluid level; if low, top it off with the recommended power steering fluid.
3. Replace the cap securely after filling.

4. Inspect CV Joints and Axles

Tools Required: Socket set, torque wrench.
Sub-steps:
1. While the vehicle is lifted, inspect the CV joints for any visible damage or torn boots.
2. If the CV joints are damaged, remove the axle (refer to the service manual for specific procedures).
3. Replace the CV joint or complete axle assembly as needed, ensuring to torque the axle nut to specifications.

5. Reassemble and Lower Vehicle

Sub-steps:
1. Reinstall the wheel and lower the vehicle back to the ground.
2. Re-check all components for tightness and ensure nothing is left loose.