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Home >> Chevrolet >> 2021 >> Trailblazer ACTIV, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Rear Brake Intermediate Number 1 Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING:

The battery must be disconnected to prevent the brake master cylinder from pressurizing the hydraulic system during its automated self diagnostic tests that can possibly occur when a door is opened or the key transmitter is activated. Failure to follow this precaution may cause personal injury.

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  2. Battery Tray - Remove - Battery Tray Replacement
  3. Raise and support the vehicle. Lifting and Jacking the Vehicle .
  4. Remove the left front, left rear and right rear tires. Tire and Wheel Removal and Installation
  5. Fuel Tank - Remove - Fuel Tank Replacement (AWD) , or Fuel Tank Replacement (FWD)
  6. GM5440416Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Front Brake Pipe Fitting (1) @ Brake Pressure Modulator Valve - Remove

  7. Cap the brake pipe fitting and plug the brake pressure modulator valve port to prevent brake fluid loss and contamination.
  8. Rear Brake Intermediate Pipe Fitting (2) @ Brake Pressure Modulator Valve - Remove
  9. Cap the brake pipe fitting and plug the brake pressure modulator valve port to prevent brake fluid loss and contamination.
  10. Brake Pipe Clip (3) - Release
  11. GM5440417Courtesy of GENERAL MOTORS COMPANY

    Brake Pipe Clip (1) - Release

  12. GM5225142Courtesy of GENERAL MOTORS COMPANY

    Brake Pipe Clip (1) - Release

  13. Brake Pipe Clip (2) - Release
  14. GM5225143Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Intermediate Pipe Fitting (1) @ Rear Brake Hose (3) - Remove

  15. Cap the brake pipe fitting to prevent brake fluid loss and contamination.
  16. Rear Brake Hose Retainer (2) - Remove
  17. GM5225144Courtesy of GENERAL MOTORS COMPANY

    Brake Pipe Clip (1) - Release

  18. Brake Pipe Clip (2) - Release [2x]
  19. Brake Pipe Clip (3) - Release
  20. Brake Pipe Clip (4) - Release
  21. GM5225145Courtesy of GENERAL MOTORS COMPANY

    Brake Pipe Clip (1) - Release [5x]

  22. Rear Brake Intermediate Number 1 Pipe (2) @ Vehicle - Remove