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Home/Cars/Honda/Accord/9th Generation (2013-2017)/how to fix spongy brake pedal on Honda Accord 8th Generation (2008-2012)?

how to fix spongy brake pedal on Honda Accord 8th Generation (2008-2012)?

Honda Accord 9th Generation (2013-2017)

Severity: criticalDifficulty: medium2-4 hours
3 min read
537 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 fix a spongy brake pedal on Honda Accord 8th Generation (2008-2012). Step-by-step guide with diagnostic steps and repair instructions.

Component
Brakes
Repair Time
2-4 hours

Safety Warnings

  • ⚠Always wear gloves and eye protection when working with brake fluid, as it can damage paint and irritate skin.
  • ⚠Ensure the vehicle is securely lifted and supported before working on the brakes.

Symptoms

  • •Brake pedal feels soft or spongy when pressed
  • •Longer stopping distances
  • •Brake warning light illuminated on the dashboard
  • •Fluid leaks around brake components
  • •Unusual noises coming from brakes when applied

Diagnostic Steps

  1. 1Check brake fluid level in the master cylinder reservoir.
  2. 2Inspect brake lines and hoses for visible leaks or damage.
  3. 3Use a brake fluid tester to check for moisture contamination.
  4. 4Inspect brake pads and rotors for wear.
  5. 5Bleed the brake system to remove air from the brake lines.
  6. 6Check the brake booster for proper operation (if applicable).

Solution

Solution

1. Preparation

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

2. Inspect and Replace Brake Fluid

  1. Locate Master Cylinder: Open the hood and find the brake master cylinder.
  2. Check Fluid Level: If the fluid is low, top it up with the recommended brake fluid (DOT 3 or DOT 4, depending on vehicle specifications).
  3. Replace Fluid: If fluid is contaminated:
    • Use a turkey baster to remove old fluid from the reservoir.
    • Fill with fresh brake fluid.

3. Bleed the Brake System

  1. Connect Bleeder Kit: Attach a brake bleeder kit or a clear plastic hose to the bleeder valve on the farthest brake caliper from the master cylinder.
  2. Open Bleeder Valve: Have an assistant press the brake pedal while you open the valve to release air and fluid. Close the valve before the pedal is released.
  3. Repeat Process: Move to the next caliper (in order: rear passenger, rear driver, front passenger, front driver) and repeat until no air bubbles are visible in the fluid.
  4. Check Master Cylinder: Keep the master cylinder filled with fluid during the bleeding process to avoid introducing more air.

4. Inspect Components

  1. Brake Pads and Rotors: Remove the wheel and inspect the brake pads and rotors for wear. Replace if necessary.
    • Use a torque wrench to tighten the wheel lug nuts to the manufacturer’s specifications after reinstallation.

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

  • Brake bleeder kit
  • Torque wrench
  • Turkey baster
  • Socket set
  • Screwdrivers

Parts Required

  • Brake fluid (DOT 3 or DOT 4)
  • Brake pads (if worn)
  • Brake rotors (if worn)

Additional Information

Component

Brakes

Repair Time

2-4 hours

Difficulty

medium

Severity

critical

Tools

5 items

Parts

3 items

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