Assembly Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

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CAUTION:
Fastener Caution .

Rear Brake Caliper Bleeder Valve (2) - Install and tighten - Hydraulic Brake System Bleeding (Pressure) , or Hydraulic Brake System Bleeding (Manual)
Rear Brake Bleeder Valve Cap(1) - Install
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Apply a thin coat of brake fluid from a clean, sealed brake fluid container to the brake caliper piston boot.(1) Adhesives, Fluids, Lubricants, and Sealers
Rear Brake Caliper Piston Seal(2) - Install[2x]
Rear Brake Caliper Piston Boot(1) - Install[2x]
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Install the rear brake caliper pistons (1) into the rear brake caliper housing.

Use firm, downward hand pressure to press the brake caliper pistons squarely into the caliper bores.
Seat the edge of the brake caliper dust seals in the groove in the brake caliper piston.
If necessary, carefully lift the edge of the brake caliper dust seals at the brake caliper piston to release any trapped air.
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Rear Brake Caliper(1)@Rear Brake Caliper Guide Pin - Install

Ensure the rear brake caliper guide pin seals are fully seated in the groove of the rear brake caliper bracket.
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Rear Disc Brake Pad Retainer Spring(1) - Install[4x]
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Rear Disc Brake Inner Pad(1) - Install
Rear Disc Brake Outer Pad(2) - Install
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Install the rear brake caliper and bracket assembly (1). Rear Brake Caliper Replacement (JH6) , or Rear Brake Caliper Replacement (JH9)