Express 3500 V8-6.6L DSL Turbo (2008)
Brake Caliper: Overhaul
Front Brake Caliper Overhaul
Front Brake Caliper Overhaul
Caution: Refer to Brake Dust Caution .
Caution: Refer to Brake Fluid Irritant Caution .
Disassembly Procedure
Caution: Do not place your fingers in front of the piston in order to catch or protect the piston while applying compressed air. This could result in
serious injury.
1. Remove the brake caliper from the vehicle. Refer to Front Brake Caliper Replacement (See: Removal and Replacement/Front Brake Caliper
Replacement) .
2. Place a thin piece of wood in front of the piston in order to prevent damage. Remove the piston by directing compressed air into the brake hose
inlet fitting port of the brake caliper housing.
3. Remove the piston boot.
4. Remove the piston seal.
5. Remove the brake caliper bleed screw cap.
6. Remove the brake caliper bleed screw.
7. Inspect the brake caliper bore and the piston seal groove for scoring and corrosion. If you find excessive scoring or corrosion around the piston
seal area, replace the brake caliper housing.