Sierra 3500 Denali 2WD V8-6.0L (2011)
13. Remove the inner disc brake pad.
Note: Do not lever against or pry between the disc brake pad and the brake caliper pistons.
Note: Do not strike or press directly against the face of the brake caliper pistons.
14. If the inner disc brake pad will not release, lever against the metal disc brake pad backing plate (1) and the disc brake caliper body.
15. Remove the brake caliper guide pin seals (1).
