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Home >> Chevrolet >> 2021 >> Trailblazer ACTIV, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Rear 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.

WARNING:

Refer to Brake Fluid Irritant Warning .

  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 rear 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. GM5225156Courtesy of GENERAL MOTORS COMPANY

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

  6. Cap the brake pipe fitting to prevent brake fluid loss and contamination.
  7. Rear Brake Hose Retainer (2) - Remove
  8. GM5216071Courtesy of GENERAL MOTORS COMPANY

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

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

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