why does my Genesis G70 shake when I accelerate

Genesis G70 1st Gen (2018-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

454 words

Problem Statement

Learn how to diagnose and fix shaking during acceleration in Genesis G70. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely lifted and supported before performing any work.
•Disconnect the battery before working on electrical components related to the drivetrain.

Symptoms

•Vibrations felt in the steering wheel or seat during acceleration
•Unusual noises accompanying the shaking (e.g., clunking or grinding)
•Steering wheel misalignment or pulling to one side
•Increased vibration at higher speeds
•Poor handling or instability while driving

Diagnostic Steps

1
Inspect tires for uneven wear or damage.
2
Check wheel balancing and alignment.
3
Examine suspension components for wear or damage.
4
Inspect driveshaft and axles for bends or play.
5
Scan for any error codes using an OBD-II scanner to check for related issues.
6
Test engine and transmission mounts for wear or deterioration.

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

•Jack and jack stands
•Tire pressure gauge
•Torque wrench
•Wheel balancer
•OBD-II scanner

Parts Required

•Tires (if damaged)
•Suspension components (if worn)
•Engine and transmission mounts (if needed)

Related Faults

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Diagnostic Steps

1
Inspect tires for uneven wear or damage.
2
Check wheel balancing and alignment.
3
Examine suspension components for wear or damage.
4
Inspect driveshaft and axles for bends or play.
5
Scan for any error codes using an OBD-II scanner to check for related issues.
6
Test engine and transmission mounts for wear or deterioration.

Solution

1. Tire Inspection

Sub-steps:
- Jack up the vehicle and remove the wheel covers if applicable.
- Inspect each tire for uneven wear patterns or bulges.
- Check tire pressure and inflate to the recommended PSI.

2. Wheel Balancing

Sub-steps:
- Remove the wheels from the vehicle.
- Use a wheel balancer to check for imbalances.
- Add weights as necessary to balance the wheels.
- Reinstall the wheels and torque to manufacturer specifications (usually around 80-100 ft-lbs).

3. Suspension Inspection

Sub-steps:
- Visually inspect control arms, bushings, and struts for wear and damage.
- Replace any worn suspension components.
- Ensure all bolts are tightened to the manufacturer’s torque specifications.

4. Driveshaft and Axle Inspection

Sub-steps:
- Inspect the driveshaft for any visible bends or damage.
- Check for play in the CV joints; replace if necessary.
- Ensure all connections are secure and free from rust or corrosion.

5. Mount Inspection

Sub-steps:
- Visually inspect engine and transmission mounts for cracks or signs of wear.
- Replace any damaged mounts to reduce vibrations.
- Torque new mounts to manufacturer specifications.