its an s10 blazer 4x4
See Figures 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17
The following procedure requires the use of a C-clamp and channel lock pliers.
Replacing the pads on just one wheel may cause uneven braking; always replace the pads on both wheels.
Make sure that the wear sensor is facing in the proper direction. On most vehicles it should face toward the rear of the caliper.