why does my Porsche 911 992 (2019-Present) have a weak brake pedal feel

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace Brake Fluid

• Sub-steps:
  1. Open the brake fluid reservoir cap.
  2. Check fluid condition; if it appears dark or contaminated, replace it.
  3. Use a brake fluid bleeder kit to remove old fluid from the system.
  4. Refill with manufacturer-recommended brake fluid (e.g., Porsche DOT 4).
  5. Secure the reservoir cap.

3. Bleed the Brake System

• Tools Required: Brake bleeder kit, wrenches
• Sub-steps:
  1. Start with the brake furthest from the master cylinder (typically the right rear).
  2. Attach the bleeder kit to the brake bleeder valve.
  3. Have an assistant press the brake pedal while you open the bleeder valve to release air.
  4. Close the valve before your assistant releases the brake pedal.
  5. Repeat the process at all four brakes (right rear, left rear, right front, left front) until no air bubbles appear in the fluid.
  6. Ensure brake fluid levels remain adequate throughout the process.

4. Inspect and Replace Brake Components

• Sub-steps:
  1. Remove the wheel to access the brake components.
  2. Inspect brake pads for thickness and even wear; replace if worn beyond specifications.
  3. Check rotors for warping or excessive wear; replace if necessary.
  4. Inspect calipers for leaks or damage; replace if defective.
  5. Reassemble all components and torque to manufacturer specifications.