why does my Honda Accord shake when I brake

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

500 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 Honda Accord. 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 allow the brakes to cool before working on them.
•Ensure the vehicle is securely lifted and supported before working underneath.

Symptoms

•Steering wheel vibrates during braking
•Pulsation felt in the brake pedal
•Vehicle pulls to one side while braking
•Uneven wear on brake pads or rotors
•Noises such as grinding or squealing during braking

Diagnostic Steps

1
Inspect brake rotors for warping or damage using a runout gauge.
2
Check brake pads for wear and uneven thickness.
3
Examine suspension components (e.g., control arms, tie rods) for play or wear.
4
Verify tire balance and condition to rule out wheel-related issues.
5
Scan for any error codes that might indicate electronic brake system problems.

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
•Socket set
•Torque wrench
•Micrometer

Parts Required

•Brake pads
•Brake rotors (if required)

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Diagnostic Steps

1
Inspect brake rotors for warping or damage using a runout gauge.
2
Check brake pads for wear and uneven thickness.
3
Examine suspension components (e.g., control arms, tie rods) for play or wear.
4
Verify tire balance and condition to rule out wheel-related issues.
5
Scan for any error codes that might indicate electronic brake system problems.

Solution

1. Preparation

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

2. Remove Wheel

Sub-steps:
1. Loosen lug nuts slightly while the wheel is still on the ground.
2. Lift the vehicle with a jack and secure it with jack stands.
3. Completely remove the lug nuts and take off the wheel.
Tools Required: Jack, jack stands, lug wrench.

3. Inspect and Replace Brake Components

Sub-steps:
1. Remove the brake caliper by unbolting it from its mount.
2. Slide the caliper off the rotor and secure it with a bungee cord.
3. Check the brake pads for thickness; replace if less than 3mm.
4. Inspect the brake rotor for warping or uneven wear; use a micrometer to measure thickness.
5. If warped, replace the rotor with a new one, ensuring it is properly torqued to manufacturer specifications.
6. Reinstall the caliper and brake pads.
Tools Required: Socket set, torque wrench, bungee cord.

4. Reinstall Wheel and Lower Vehicle

Sub-steps:
1. Place the wheel back onto the hub.
2. Hand-tighten the lug nuts before lowering the vehicle.
3. Lower the vehicle and then torque the lug nuts to the manufacturer’s specifications.
Tools Required: Torque wrench.

5. Test Drive

Drive the vehicle at low speeds to test braking effectiveness and check for vibrations.
Monitor braking performance under various conditions (light and hard braking).