Sierra 3500 Denali 2WD V8-6.0L (2011)
6. Install the disc brake caliper bracket (1) to the disc brake caliper.
Note: Do not puncture the disc brake caliper guide pin seals.
7. Install the disc brake caliper guide pin seals (1).
8. Ensure the disc brake caliper guide pin seals are fully seated in the grooves of the disc brake caliper housing.