GMC Workshop Service and Repair Manuals > Canyon 4WD L5-3.7L (2007) > Brakes and Traction Control | Hydraulic System, Brakes | Brake Caliper | Component Information | Service and Repair | Removal and Replacement

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3. Install the dust seal on the piston.

Important: Position the piston in the bore so that it is straight and level.

4. Install the piston in the brake caliper.

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