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

535 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 when 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 disconnect the battery before working on electrical systems.
•Allow the brakes to cool before working on them to prevent burns.

Symptoms

•Shaking or vibration felt in the steering wheel when braking
•Increased pedal pulsation during braking
•Potential noise from the brakes (squeaking or grinding)
•Uneven brake pad wear (if inspected)
•Vehicle pulling to one side during braking

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pad thickness and condition for any signs of wear or damage.
3
Ensure wheel lug nut torque is within specifications.
4
Inspect wheel bearings for play or damage.
5
Examine suspension components for wear or misalignment.
6
Test drive the vehicle at high speeds to replicate the shaking.

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

•Lug wrench
•Socket set
•Torque wrench
•Dial indicator
•Bungee cord

Parts Required

•Brake rotors (if warped)
•Brake pads (if worn)

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Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a dial indicator.
2
Check brake pad thickness and condition for any signs of wear or damage.
3
Ensure wheel lug nut torque is within specifications.
4
Inspect wheel bearings for play or damage.
5
Examine suspension components for wear or misalignment.
6
Test drive the vehicle at high speeds to replicate the shaking.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is on a flat, stable surface and use wheel chocks.
Raise the vehicle using a jack and secure it with jack stands.

2. Inspect and Replace Brake Rotors

Sub-steps:
1. Remove the wheel using a lug wrench.
2. Take off the brake caliper by loosening the caliper bolts with a socket set.
3. Slide the caliper off the rotor and suspend it using a bungee cord (do not let it hang by the brake line).
4. Remove the rotor by unscrewing any retaining screws if present.
5. Measure the rotor for warping using a dial indicator; if warped beyond specifications, replace with new rotors.
6. Install the new rotor, ensuring it is seated properly.

3. Replace Brake Pads

Sub-steps:
1. Remove the old brake pads from the caliper bracket.
2. Compare the old pads to new ones to ensure proper fit.
3. Apply brake grease to the back of the new pads where they contact the caliper.
4. Install the new pads into the caliper bracket.
5. Reinstall the caliper over the new pads and torque the caliper bolts to manufacturer specifications.

4. Reassemble and Test

Sub-steps:
1. Reinstall the wheel and hand-tighten the lug nuts.
2. Lower the vehicle back to the ground and torque the lug nuts to the manufacturer's specifications.
3. Test the brakes by gently pressing the pedal to ensure proper engagement.
4. Take the vehicle for a test drive to verify that the shaking has been resolved.