my Genesis G70 is shaking when I brake what could be wrong?

Genesis G70 1st Gen (2018-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

484 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

•Always ensure the vehicle is securely supported by jack stands before working underneath it.
•Allow brakes to cool before inspection if the vehicle has been recently driven.

Symptoms

•Steering wheel shakes during braking
•Vibration felt in the brake pedal
•Uneven brake pad wear
•Possible grinding noise from brakes
•Vehicle pulls to one side when braking

Diagnostic Steps

1
Inspect brake pads and rotors for wear and damage.
2
Check wheel lug nut torque to ensure they are properly fastened.
3
Examine suspension components for wear or damage.
4
Perform a visual inspection of the brake calipers for proper operation.
5
Check for any warped brake rotors using a dial indicator.
6
Verify wheel alignment and balance.

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
•Jack stands
•Lug wrench
•Dial indicator
•Torque wrench
•Safety glasses

Parts Required

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

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Diagnostic Steps

1
Inspect brake pads and rotors for wear and damage.
2
Check wheel lug nut torque to ensure they are properly fastened.
3
Examine suspension components for wear or damage.
4
Perform a visual inspection of the brake calipers for proper operation.
5
Check for any warped brake rotors using a dial indicator.
6
Verify wheel alignment and balance.

Solution

1. Preparation

Gather tools: jack, jack stands, lug wrench, dial indicator, caliper gauge, and safety glasses.
Ensure the vehicle is on a flat surface and the parking brake is engaged.

2. Remove Wheel

Use a lug wrench to loosen the wheel lug nuts (do not remove completely).
Raise the vehicle with a jack and secure it with jack stands.
Remove the lug nuts and take off the wheel.

3. Inspect Brake Components

Brake Pads: Check for uneven wear; replace if worn down below recommended thickness (usually 3mm).
Brake Rotors: Use a dial indicator to check for warping. If the rotor exceeds the manufacturer's tolerance (typically 0.002 inches), it should be replaced or resurfaced.
Calipers: Ensure that calipers are functioning properly; check for sticking or uneven operation.

4. Check Lug Nut Torque

Reinstall the wheel and hand-tighten the lug nuts.
Use a torque wrench to tighten the lug nuts to the manufacturer’s specifications (usually between 70-100 ft-lbs depending on the model).

5. Reinstall Wheel and Lower Vehicle

Reinstall the wheel and ensure all lug nuts are torqued properly.
Carefully lower the vehicle back to the ground.

6. Test Drive

After repairs, conduct a test drive to ensure the shaking has been resolved.