why does my Honda Accord shake when I brake at high speeds

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

512 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 at high speeds in Honda Accord. 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 disconnect the battery before working on the braking system.
•Ensure the vehicle is securely supported on jack stands before working underneath it.

Symptoms

•Vehicle shakes or vibrates during braking at high speeds
•Steering wheel vibrates significantly during braking
•Unusual noise or grinding sound from the brakes
•Brake pedal pulsates or feels uneven
•Uneven wear on brake pads or rotors

Diagnostic Steps

1
Inspect brake rotors for warping or damage using a dial indicator.
2
Check brake pad thickness and condition; replace if worn.
3
Examine suspension components (control arms, bushings, and tie rods) for wear or damage.
4
Inspect wheel alignment and balance; ensure that all wheels are properly aligned and balanced.
5
Test drive the vehicle to confirm the symptoms and check for any additional noises or vibrations.

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
•Brake cleaner
•Jack and jack stands
•Dial indicator

Parts Required

•Brake rotors
•Brake pads

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Diagnostic Steps

1
Inspect brake rotors for warping or damage using a dial indicator.
2
Check brake pad thickness and condition; replace if worn.
3
Examine suspension components (control arms, bushings, and tie rods) for wear or damage.
4
Inspect wheel alignment and balance; ensure that all wheels are properly aligned and balanced.
5
Test drive the vehicle to confirm the symptoms and check for any additional noises or vibrations.

Solution

1. Preparation

Park the vehicle on a level surface and engage the parking brake.
Gather necessary tools and parts before starting the repair.

2. Remove Wheels

Loosen the lug nuts on the front wheels using a socket wrench.
Lift the vehicle using a jack and secure it with jack stands.
Remove the front wheels to access the brake components.

3. Inspect and Replace Brake Rotors

Use a dial indicator to measure rotor runout; replace if exceeding manufacturer specifications.
If warped, remove the caliper by unbolting it from the bracket.
Remove the rotor by unscrewing the retaining screws (if applicable) and sliding it off the hub.
Install new rotors, ensuring they are clean and free from oil or debris. Torque the retaining screws to manufacturer specifications.

4. Inspect and Replace Brake Pads

Remove the caliper bracket from the spindle.
Slide out the old brake pads; inspect for uneven wear. Replace if necessary.
Install new brake pads, ensuring they are properly seated in the caliper bracket.

5. Reassemble Components

Reattach the caliper to the bracket and torque the bolts to manufacturer specifications.
Reinstall the front wheels and torque the lug nuts in a star pattern to the specified torque value.
Lower the vehicle and perform a final check on all components.