my Genesis G70 IG (2017-2023) shakes when I brake is it serious

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

479 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 during 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 disconnect the battery if working on electrical systems.
•Allow the brakes to cool before working on them to prevent burns.

Symptoms

•Shaking or vibrating sensation felt through the steering wheel or brake pedal when braking
•Increased stopping distance
•Uneven tire wear
•Pulsating brake pedal
•Possible noise (squeaking or grinding) during braking

Diagnostic Steps

1
Inspect the brake pads and rotors for wear and damage.
2
Check for any warping of the brake rotors using a dial indicator.
3
Examine the suspension components for looseness or damage (e.g., control arms, bushings).
4
Verify wheel lug nut torque and check for loose wheels.
5
Perform a test drive to confirm the shaking occurs under braking and note conditions.

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

•Floor jack
•Jack stands
•Socket set
•Torque wrench
•Dial indicator

Parts Required

•Brake pads
•Brake rotors
•Suspension components (if damaged)

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Diagnostic Steps

1
Inspect the brake pads and rotors for wear and damage.
2
Check for any warping of the brake rotors using a dial indicator.
3
Examine the suspension components for looseness or damage (e.g., control arms, bushings).
4
Verify wheel lug nut torque and check for loose wheels.
5
Perform a test drive to confirm the shaking occurs under braking and note conditions.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure vehicle is on a flat surface and engage the parking brake.
Wear safety goggles and gloves.

2. Inspect and Replace Brake Pads and Rotors

Lift the Vehicle: Use a jack to lift the front or rear of the vehicle and secure with jack stands.
- Tools Required: Floor jack, jack stands
Remove the Wheel: Use a socket set to remove lug nuts and take off the wheel.
- Tools Required: Socket set, torque wrench
Check Brake Pads: Inspect the thickness of the brake pads. Replace if below 3mm.
Inspect Brake Rotors: Look for grooves, cracks, or warping. If warped, replace the rotors.
- Tools Required: Dial indicator for warping measurement
Install New Parts: If necessary, install new brake pads and rotors as per manufacturer specifications.
- Note: Torque lug nuts to manufacturer specifications (typically around 80-100 ft-lbs).
Reinstall the Wheel: Place the wheel back on and secure the lug nuts.

3. Inspect Suspension Components

Visual Inspection: Check bushings, control arms, and struts for any visible wear or damage.
Check for Loose Parts: Gently shake components to identify any looseness.
Replace Damaged Components: If any parts are worn or damaged, replace them accordingly.