Removal Procedure

WARNING: Refer to Brake Fluid Irritant Warning .

CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution .

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
Remove rear wheel speed sensor from brake hose. Refer to Rear Wheel Speed Sensor Replacement (Disc Brake) and Rear Wheel Speed Sensor Replacement (Drum Brake) .
Clean all dirt and foreign material from the brake hose ends and the brake pipe fitting.

Fig 1: Brake Pipe Fitting, Brake Hose And Brake Hose Retainer
Courtesy of GENERAL MOTORS COMPANY
Use a flare nut wrench on the brake pipe fitting (1) and a backup wrench on the brake hose (3) under the brake hose retainer (2).
Disconnect the brake pipe fitting (1) from the brake hose (3). Cap or plug the brake pipe fitting end and the brake hose end to prevent fluid loss and contamination.

Fig 2: Brake Pipe Fitting Disconnected From Brake Hose
Courtesy of GENERAL MOTORS COMPANY
Remove the brake hose retainer (2).
Remove the brake hose bolt (2) attaching the hose to the rear brake caliper bracket.

Fig 3: Brake Hose Bracket
Courtesy of GENERAL MOTORS COMPANY
Remove wiring harness (1) from brake hose bracket.
Remove the brake hose-to-caliper bolt (1) from the brake caliper (4).

Fig 4: Brake Hose-To-Caliper Bolt
Courtesy of GENERAL MOTORS COMPANY
Remove the brake hose (3) from the brake caliper.
Remove and discard the 2 copper brake hose gaskets (2). These gaskets may be stuck to the brake caliper and/or the brake hose end.
Cap or plug the opening in the brake caliper and the brake hose to prevent fluid loss and contamination.