Express 4500 V8-6.0L (2010)
Warning
Do not place fingers in front of the caliper piston(s) in an attempt to catch or protect it when applying compressed air. The piston(s) can fly out with
force and could result in serious bodily injury.
3. Place a clean shop towel between the brake caliper pistons and the block of wood.
4. Apply compressed air through the brake hose fitting inlet port and remove the brake caliper pistons (1).
5. Remove the brake caliper bleeder screw.
6. Using a blunt wooden or plastic tool, remove the brake caliper piston dust seals (1).
