why does my Genesis G70 IG (2017-2023) shake when I accelerate

Genesis G70 IG (2017-2023)

Error Codes

3-6 hours

Time

medium

Difficulty

medium

Severity

4 min read

621 words

Problem Statement

Learn how to diagnose and fix shaking during acceleration in Genesis G70 (2017-2023). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

3-6 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems.
•Allow the vehicle to cool before working on the engine or transmission components.

Symptoms

•Vibrations felt through the steering wheel during acceleration
•Shaking in the vehicle's body or chassis
•Potential noise accompanying the vibrations, such as clunking or grinding
•Uneven tire wear observed
•Decreased acceleration performance

Diagnostic Steps

1
Inspect the tires for proper inflation and visible damage such as bulges or uneven wear.
2
Check wheel alignment and balance by performing a visual inspection and potentially using alignment equipment.
3
Scan the vehicle's onboard computer for any error codes that might indicate issues with the drivetrain or engine.
4
Inspect the driveshaft and CV joints for signs of wear or damage.
5
Check the engine and transmission mounts for any signs of deterioration or failure.
6
Test the suspension components, including struts and bushings, for wear or damage.

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

•Hydraulic jack
•Jack stands
•Lug wrench
•Torque wrench
•Alignment equipment
•OBD-II scanner

Parts Required

•Replacement tires (if damaged)
•Engine and transmission mounts (if needed)
•CV joints (if needed)
•Suspension components (if needed)

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Diagnostic Steps

1
Inspect the tires for proper inflation and visible damage such as bulges or uneven wear.
2
Check wheel alignment and balance by performing a visual inspection and potentially using alignment equipment.
3
Scan the vehicle's onboard computer for any error codes that might indicate issues with the drivetrain or engine.
4
Inspect the driveshaft and CV joints for signs of wear or damage.
5
Check the engine and transmission mounts for any signs of deterioration or failure.
6
Test the suspension components, including struts and bushings, for wear or damage.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Raise the vehicle using a hydraulic jack and secure it with jack stands.

2. Tire Inspection and Replacement

Sub-steps:
1. Remove the wheel covers or lug nut covers if applicable.
2. Loosen the lug nuts slightly (do not remove them) using a lug wrench.
3. Remove the wheels and inspect the tires for damage and wear.
4. Replace any damaged tires with new ones, ensuring they are the correct size and type for the vehicle.
5. Reinstall the wheels and torque the lug nuts to the manufacturer’s specifications (usually 80-100 ft-lbs).

3. Wheel Alignment and Balancing

Sub-steps:
1. Take the vehicle to a professional alignment shop.
2. Have the alignment checked and adjusted according to manufacturer specifications.
3. Balance the wheels if they are found to be unbalanced.

4. Drivetrain Inspection and Repair

Sub-steps:
1. Inspect the driveshaft for any signs of damage or excessive play.
2. Check the CV joints for wear and replace them if necessary.
3. If any components are damaged, replace them using OEM parts to ensure proper fit and function.

5. Engine and Transmission Mounts Replacement

Sub-steps:
1. Inspect the engine and transmission mounts visually and by hand for cracks or excessive movement.
2. If damaged, remove the old mounts by loosening the bolts and carefully lifting the engine/transmission to access.
3. Install new mounts, ensuring they are torqued to the specifications found in the vehicle’s service manual.

6. Suspension Repair

Sub-steps:
1. Visually inspect struts, shocks, and bushings for wear.
2. Replace any worn-out components, ensuring proper torque specifications are followed during installation.
3. Test the suspension for proper function following repairs.