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

502 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 brakes in Honda Accord. Step-by-step guide with symptoms, diagnostic steps, tools, 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 brake system.
•Allow the brake components to cool before handling after driving.

Symptoms

•Shaking or vibrating sensation in the steering wheel or brake pedal during braking
•Increased stopping distance
•Brake pedal feels pulsating or spongy
•Uneven wear on brake pads or rotors
•Noise such as grinding or squeaking during braking

Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a runout gauge.
2
Check brake pads for wear and ensure they are not worn unevenly.
3
Examine the brake calipers for proper operation and any sticking issues.
4
Inspect suspension components, including control arms and bushings, for wear or damage.
5
Test drive the vehicle to replicate the shaking and assess the severity.

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 and jack stands
•Lug wrench
•Torque wrench
•Micrometer or caliper gauge
•Brake cleaner
•Basic hand tools (sockets, wrenches)

Parts Required

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

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Diagnostic Steps

1
Inspect brake rotors for warping or uneven wear using a runout gauge.
2
Check brake pads for wear and ensure they are not worn unevenly.
3
Examine the brake calipers for proper operation and any sticking issues.
4
Inspect suspension components, including control arms and bushings, for wear or damage.
5
Test drive the vehicle to replicate the shaking and assess the severity.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and engage the parking brake.
Wear safety glasses and gloves.

2. Remove Wheel

Loosen lug nuts slightly before lifting the vehicle.
Use a jack to raise the vehicle and secure it with jack stands.
Remove the wheel to access the brake assembly.

3. Inspect and Replace Brake Components

Inspect Rotors:
- Check for warping or excessive wear. Use a micrometer to measure rotor thickness.
- If warped, replace rotors. If within specifications, consider resurfacing.
Inspect Brake Pads:
- Measure the thickness of the pads. Replace if less than 3mm.
- Ensure pads are seated properly and not causing uneven wear.
Inspect Calipers:
- Check for signs of sticking or leaking. Clean or replace calipers if necessary.

4. Reassemble Components

Reinstall the brake pads and calipers.
Install the wheel back onto the hub and hand-tighten the lug nuts.
Lower the vehicle and torque the lug nuts to the manufacturer's specifications (typically 80-100 ft-lbs for Honda).

5. Final Checks

Pump the brake pedal to ensure it feels firm.
Check for any leaks around the calipers and brake lines before test driving.