why is my Genesis G70 IG (2017-2023) shaking when I brake

Genesis G70 IG (2017-2023)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

516 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 braking shakes 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 use jack stands when working under a vehicle.
•Allow brakes to cool before handling them to avoid burns.

Symptoms

•Steering wheel shakes during braking
•Vehicle pulls to one side when braking
•Brake pedal pulsates or feels uneven
•Increased stopping distance
•Unusual noises from the brakes (squeaking or grinding)

Diagnostic Steps

1
Inspect brake pads for wear and tear, ensuring they are not worn unevenly.
2
Check brake rotors for warping or scoring using a run-out gauge.
3
Examine the brake calipers for proper function and any signs of sticking.
4
Inspect wheel bearings for play or damage.
5
Check tire condition and pressure to rule out any tire-related issues.
6
Perform a visual inspection of suspension components for damage or wear.

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
•Micrometer
•Brake lathe

Parts Required

•New brake pads
•Brake rotors

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Diagnostic Steps

1
Inspect brake pads for wear and tear, ensuring they are not worn unevenly.
2
Check brake rotors for warping or scoring using a run-out gauge.
3
Examine the brake calipers for proper function and any signs of sticking.
4
Inspect wheel bearings for play or damage.
5
Check tire condition and pressure to rule out any tire-related issues.
6
Perform a visual inspection of suspension components for damage or wear.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
Disconnect the battery before working on electrical components if applicable.

2. Remove Wheel

Loosen the lug nuts on the affected wheel using a socket wrench.
Lift the vehicle using a jack and secure it with jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Replace Brake Pads

Remove the caliper mounting bolts using the appropriate socket.
Slide the caliper off the rotor and support it with a bungee cord to avoid stress on the brake line.
Inspect the brake pads for uneven wear; replace if necessary.
- Tools Required: Socket set, torque wrench.
- Parts Required: New brake pads (if worn).

4. Inspect and Resurface/Replace Rotors

Measure rotor thickness with a micrometer; if below minimum specification, replace them.
If the rotors are within specs but warped, resurface them using a brake lathe.
- Tools Required: Micrometer, brake lathe (if resurfacing).

5. Reassemble Components

Reinstall the caliper over the new or resurfaced rotor.
Tighten caliper mounting bolts to the manufacturer’s specified torque values.
Reinstall the wheel and hand-tighten the lug nuts.

6. Lower Vehicle and Tighten Lug Nuts

Carefully lower the vehicle from the jack stands.
Use a torque wrench to tighten the lug nuts to the manufacturer’s specifications in a crisscross pattern.