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

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

422 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 in Genesis G70 (2017-2023). 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 wear safety goggles and gloves when working on brakes.
•Ensure the vehicle is securely lifted and supported before working underneath it.

Symptoms

•Steering wheel shakes or vibrates during braking
•Pulsation felt in brake pedal
•Uneven wear on brake pads or rotors
•Increased stopping distance
•Noise from brakes (grinding or squeaking)

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear.
2
Check brake pad thickness and condition.
3
Examine suspension components for wear or damage (e.g., control arms, bushings).
4
Test wheel alignment and balance.
5
Scan for any related trouble 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

•Socket set
•Torque wrench
•Jack and jack stands
•Brake cleaner
•Runout gauge (optional)

Parts Required

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

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Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Gather safety equipment (gloves, goggles).

2. Lift Vehicle

Use a jack to lift the front of the vehicle.
Secure it with jack stands for safety.
Remove the front wheels using a socket set.

3. Inspect and Replace Brake Components

A. Inspect Brake Rotors

Visually inspect rotors for warping; use a runout gauge if necessary.
If warped, remove caliper bolts and lift the caliper away from the rotor.
Remove the rotor by unscrewing the retaining screws.

B. Replace Rotors (if necessary)

Install new rotors, ensuring they are properly aligned.
Torque the retaining screws to the manufacturer's specification (usually around 10-15 lb-ft).

C. Inspect Brake Pads

Check brake pad thickness; replace if less than 3mm.
Remove the caliper bracket if pads need replacing.

D. Replace Brake Pads

Install new brake pads into the caliper bracket.
Apply brake grease to the backing of the pads to reduce noise.

4. Inspect and Replace Suspension Components (if needed)

Check control arms, bushings, and struts for wear.
Replace any worn or damaged components following manufacturer specifications.

5. Reassemble and Lower Vehicle

Reattach calipers and wheels.
Lower the vehicle and torque the wheel lug nuts to the manufacturer’s specification (usually around 80-100 lb-ft).

Tools Required:

Socket set
Torque wrench
Jack and jack stands
Brake cleaner
Runout gauge (optional)

Parts Required:

Brake rotors (if warped)
Brake pads (if worn)
Suspension components (if damaged)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always wear safety goggles and gloves when working on brakes.
Ensure the vehicle is securely lifted and supported before working underneath it.