how to fix the brake pedal going to the floor on my Volkswagen Passat B8

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is on a level surface and secure it with wheel chocks.
• Disconnect the battery to ensure safety during the repair.

2. Inspect and Replace Brake Fluid

• Tools Required: Brake fluid, funnel, clean rags.
• Check the brake fluid reservoir; if low, fill it to the appropriate level with the recommended brake fluid (usually DOT 4 for VW).
• Clean any spillage to prevent damage to paintwork.

3. Identify and Repair Leaks

• Tools Required: Wrench set, brake line repair kit.
• Inspect all brake lines, hoses, and connections for leaks.
• Replace any damaged brake lines or hoses using appropriate fittings, ensuring all connections are tight.

4. Inspect and Replace Brake Master Cylinder (if necessary)

• Tools Required: Socket set, brake fluid, torque wrench.
• Remove the master cylinder by disconnecting brake lines and unbolting it from the brake booster.
• Install the new master cylinder, ensuring to torque bolts to manufacturer specifications.
• Reconnect brake lines and bleed the brake system to remove any air.

5. Brake Booster Check (if applicable)

• Tools Required: Vacuum gauge.
• Test the brake booster by applying vacuum; if it does not hold vacuum, replace the brake booster.
• Reinstall the booster and connect all related components.