why does my Genesis G70 make a clunking noise when turning

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

536 words

Problem Statement

Learn how to diagnose and fix clunking noise when turning in Genesis G70. 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 engage the parking brake and use jack stands when lifting the vehicle.
•Ensure the vehicle is on a flat surface to prevent rolling.

Symptoms

•Clunking noise during left or right turns
•Noise increases with speed or steering angle
•Possible vibration felt through the steering wheel
•Unusual tire wear patterns
•Loose or damaged suspension components when visually inspected

Diagnostic Steps

1
Inspect the front suspension components for wear or damage, including control arms and bushings.
2
Check the condition of the CV joints and boots for any signs of failure or leakage.
3
Lift the vehicle and perform a physical inspection of the wheel bearings for play or noise.
4
Test drive the vehicle to replicate the noise while turning and note the conditions under which it occurs.
5
Scan the vehicle's onboard computer for any stored error codes related to the suspension or drivetrain.

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

•Lug wrench
•Socket set
•Torque wrench
•Pry bar
•Jack and jack stands

Parts Required

•Control arms (if damaged)
•CV joints or axle assembly (if needed)
•Wheel bearings (if worn)

Related Faults

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Diagnostic Steps

1
Inspect the front suspension components for wear or damage, including control arms and bushings.
2
Check the condition of the CV joints and boots for any signs of failure or leakage.
3
Lift the vehicle and perform a physical inspection of the wheel bearings for play or noise.
4
Test drive the vehicle to replicate the noise while turning and note the conditions under which it occurs.
5
Scan the vehicle's onboard computer for any stored error codes related to the suspension or drivetrain.

Solution

1. Preparation

Gather tools and materials needed for repair.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety while working.

2. Inspect and Replace Suspension Components

Inspect Control Arms and Bushings:
1. Remove the front wheel using a lug wrench.
2. Examine the control arms and bushings for cracks, tears, or excessive play.
3. If damaged, remove the control arm bolts using a socket set and replace with new components.
4. Torque the control arm bolts to manufacturer specifications (typically around 80-100 ft-lbs).
Check and Replace CV Joints:
1. Inspect the CV joint boots for tears or grease leakage.
2. If any damage is found, remove the axle nut using a socket set.
3. Disconnect the CV joint from the wheel hub and remove the axle from the transmission.
4. Replace the CV joint or entire axle as needed, ensuring to install new boots and grease.
5. Reinstall the axle and torque the axle nut to manufacturer specifications (usually around 150-180 ft-lbs).

3. Inspect Wheel Bearings

Check Wheel Bearings:
1. Rotate the wheel by hand and listen for any grinding noises.
2. If noise is present, remove the wheel and brake caliper.
3. Remove the rotor and inspect the wheel bearing assembly.
4. Replace the wheel bearings if they are worn or damaged, following the proper removal and installation procedures.