Rainier AWD L6-4.2L (2007)
6. Compress the front brake caliper pistons.
1. Install a large C-clamp over the top of the brake caliper housing and against the back of the outboard brake pad.
2. Slowly tighten the C-clamp until the pistons push into the brake caliper enough to slide the brake caliper off the rotor.
3. Remove the C-clamp from the brake caliper.
7. Remove the lower mounting bolt from the guide pin.
8. Rotate the brake caliper upward until it stops.