why is my Honda Accord shaking 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

528 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 in Honda Accord when braking at high speeds. 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 vehicle to cool down before working on the braking system.
•Ensure the vehicle is securely lifted and supported before removing any wheels.

Symptoms

•Shaking or vibration in the steering wheel during braking
•Pulsation felt in the brake pedal
•Uneven brake pad wear
•Potential noise during braking (squeaking or grinding)
•Increased stopping distance

Diagnostic Steps

1
Inspect brake pads for wear and ensure they are not worn unevenly.
2
Check brake rotors for warping or damage using a dial indicator.
3
Examine brake calipers for proper function and ensure they are not sticking.
4
Verify wheel alignment and balance to rule out related issues.
5
Inspect suspension components (tie rods, control arms) for wear or damage.

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
•Dial indicator
•Jack and jack stands
•Brake cleaner

Parts Required

•Brake pads
•Brake rotors (if necessary)

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Diagnostic Steps

1
Inspect brake pads for wear and ensure they are not worn unevenly.
2
Check brake rotors for warping or damage using a dial indicator.
3
Examine brake calipers for proper function and ensure they are not sticking.
4
Verify wheel alignment and balance to rule out related issues.
5
Inspect suspension components (tie rods, control arms) for wear or damage.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a flat surface and securely engage the parking brake.
Gather safety equipment such as gloves and safety glasses.

2. Remove Wheel

Loosen the lug nuts using a socket wrench (do not remove completely yet).
Lift the vehicle with a jack and secure it on jack stands.
Remove the lug nuts completely and take off the wheel.

3. Inspect and Replace Brake Pads

Inspect Pads: Check the thickness of the brake pads and replace if below manufacturer specifications.
Replace Pads:
- Remove the caliper bolts using a socket wrench.
- Carefully slide the caliper off the rotor.
- Remove the old brake pads from the caliper bracket.
- Install new brake pads, ensuring they seat properly.

4. Inspect and Resurface or Replace Rotors

Check Rotors: Use a dial indicator to measure rotor thickness and runout.
Resurface or Replace:
- If rotors are within specifications, consider resurfacing them.
- If warped beyond tolerance, replace with new rotors.
- Install rotors, ensuring they are clean and free of debris.

5. Reassemble and Test

Reinstall the caliper over the new pads and torque caliper bolts to manufacturer specifications.
Place the wheel back on and hand-tighten the lug nuts.
Lower the vehicle and use a torque wrench to tighten the lug nuts to the specified torque.
Test drive the vehicle to ensure the issue is resolved.