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Home >> Chevrolet >> 2021 >> Trailblazer RS, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Front Brake Hose 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. Raise and support the vehicle. Lifting and Jacking the Vehicle .
  3. Remove the front tire and wheel assembly. Tire and Wheel Removal and Installation
  4. Clean all dirt and foreign material from the brake hose ends and the brake pipe fitting.
  5. GM5225130Courtesy of GENERAL MOTORS COMPANY

    Brake Pressure Modulator Valve Front Brake Pipe Fitting (1) @ Front Brake Hose (3) - Remove

  6. Cap the brake pipe fitting to prevent brake fluid loss and contamination.
  7. Front Brake Hose Retainer (2) - Remove
  8. GM5225140Courtesy of GENERAL MOTORS COMPANY

    Front Brake Hose Bracket Nut (1) - Remove

  9. GM5216066Courtesy of GENERAL MOTORS COMPANY

    Front Brake Hose Fitting Bolt (1) @ Front Brake Caliper - Remove

  10. Front Brake Hose (2) @ Front Brake Caliper - Remove
  11. Front Brake Hose Washer (3) - Remove and DISCARD [2x]

    These washers may be stuck to the brake caliper and/or the brake hose end.