Express 4500 V8-6.0L (2010)
4. Install the brake caliper pistons (1) into the brake caliper housing.
Use firm, downward hand pressure to press the brake caliper pistons squarely into the caliper bores.
5. Seat the edge of the brake caliper dust seals in the groove in the brake caliper piston.
6. If necessary, carefully lift the edge of the brake caliper dust seals at the brake caliper piston to release any trapped air.
7. Install the brake caliper. Refer to Rear Brake Caliper Replacement (JH5, JH6) (See: Removal and Replacement/Rear Brake Caliper Replacement
(JH5, JH6))Rear Brake Caliper Replacement (JH9) (See: Removal and Replacement/Rear Brake Caliper Replacement (JH9)).
