my Genesis G70 IG (2017-2023) is shaking while braking, what does it mean?

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

508 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

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

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely supported on jack stands before working on it.
•Allow brakes to cool before handling components to prevent burns.

Symptoms

•Vibration felt in the steering wheel or brake pedal when braking
•Uneven wear on brake pads or rotors
•Squeaking or grinding noises during braking
•Increased stopping distance
•Pulsation in brake pedal

Diagnostic Steps

1
Inspect the brake rotors for warping or damage by checking for thickness variation with a micrometer.
2
Check brake pads for uneven wear or contamination.
3
Examine the brake calipers for proper operation and signs of sticking.
4
Verify wheel alignment and balance to rule out related issues.
5
Check tire condition and pressure for any abnormalities.
6
Scan for any ABS or traction control system error codes using an OBD-II scanner.

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
•Lug wrench
•Torque wrench
•Micrometer
•Brake cleaner
•OBD-II scanner

Parts Required

•Brake rotors (if warped)
•Brake pads (if worn)

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Diagnostic Steps

1
Inspect the brake rotors for warping or damage by checking for thickness variation with a micrometer.
2
Check brake pads for uneven wear or contamination.
3
Examine the brake calipers for proper operation and signs of sticking.
4
Verify wheel alignment and balance to rule out related issues.
5
Check tire condition and pressure for any abnormalities.
6
Scan for any ABS or traction control system error codes using an OBD-II scanner.

Solution

1. Preparation

Tools Required: Jack and jack stands, lug wrench, torque wrench, micrometer, brake cleaner, OBD-II scanner.
Ensure the vehicle is parked on a flat surface, and the engine is off.
Disconnect the battery if working on electrical components.

2. Remove Wheel

Loosen lug nuts while the vehicle is on the ground.
Lift the vehicle using a jack and secure with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Replace Brake Components

Inspect Brake Rotors:
- Use the micrometer to measure rotor thickness at various points.
- Check for signs of warping (run-out) using a dial indicator.
- If warping exceeds manufacturer specifications, replace the rotors.
Inspect Brake Pads:
- Remove the caliper by unbolting it from the bracket.
- Check pad thickness; replace if less than 3mm.
- Clean the caliper and pad mounting surfaces.

4. Reassemble and Torque

Reassemble:
- Install new rotors and pads if necessary.
- Reattach the caliper and make sure it moves freely.
Torque Specifications:
- Torque the caliper bolts to the manufacturer’s specifications.
- Reinstall the wheel and torque the lug nuts to the specified value.

5. Final Checks

Reconnect the battery if disconnected.
Check that all tools are removed from the engine bay and wheel area.