why does my Genesis G70 shake when I apply the brakes?

Genesis G70 1st Gen (2018-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

444 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 brake shaking issues in Genesis G70. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow brake components to cool before handling to prevent burns.

Symptoms

•Steering wheel vibration during braking
•Pulsation felt through the brake pedal
•Uneven wear on brake pads or rotors
•Noise from the braking system (squealing or grinding)
•Vehicle pulling to one side when braking

Diagnostic Steps

1
Inspect brake components visually for wear or damage.
2
Check brake rotor surface for warping or unevenness using a dial indicator.
3
Measure brake pad thickness to ensure they are within specifications.
4
Verify wheel alignment and balance using alignment tools.
5
Scan for any error codes that may indicate issues with the ABS system.
6
Test drive the vehicle to replicate the shaking and note any other symptoms.

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
•Brake rotor removal tool
•Torque wrench
•Brake grease

Parts Required

•Brake rotors
•Brake pads

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Diagnostic Steps

1
Inspect brake components visually for wear or damage.
2
Check brake rotor surface for warping or unevenness using a dial indicator.
3
Measure brake pad thickness to ensure they are within specifications.
4
Verify wheel alignment and balance using alignment tools.
5
Scan for any error codes that may indicate issues with the ABS system.
6
Test drive the vehicle to replicate the shaking and note any other symptoms.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety while working on the braking system.

2. Inspect and Remove Brake Components

Use a socket set to remove the wheel nuts and take off the wheel.
Inspect the brake pads and rotors for wear; replace as necessary.
If rotors are warped, remove them using a brake rotor removal tool.

3. Replace or Resurface Rotors

If replacing, install new rotors, ensuring they are clean and free of grease.
If resurfacing, have the rotors machined by a professional to restore a flat surface.

4. Replace Brake Pads

Remove old brake pads from the caliper using a wrench.
Install new brake pads, applying brake grease to the backing to prevent noise.

5. Reassemble and Torque

Reinstall the wheel and torque the lug nuts to the manufacturer's specifications (typically around 80-100 ft-lbs).
Reconnect the battery and ensure all tools are removed from the work area.