Sierra 3500 Denali 2WD V8-6.0L (2011)
Caution: Use clean cloths to pad interior of caliper housing during piston removal. Use just enough air to ease the pistons out of the bores. If the
pistons are blown out, even with the padding provided, it may be damaged.
2. Remove the brake caliper piston (1) from the caliper bore by directing low pressure compressed air into the caliper bore through the brake hose
inlet port.
3. Using a small wooden or plastic tool, remove the brake caliper piston dust boot seal (1) from the brake caliper housing.
