Suzuki Wagon R Manual page 1764

Front Disc Brake Pad
REMOVAL
1) Hoist vehicle and remove wheel.
2) Remove caliper pin bolts (1).
3) Remove E-ring from strut and then remove caliper (1) from
caliper carrier.
NOTE:
Hang removed caliper with a wire hook (2) or the like so
as to prevent brake hose from bending and twisting
excessively or being pulled. Don't operate brake pedal
with pads removed.
4) Remove pads (3).
INSPECTION
Brake Pad
Check pad lining for wear. When wear exceeds limit, replace with
new one.
CAUTION:
Never polish pad lining with sandpaper. If lining is pol-
ished with sandpaper, hard particles of sandpaper will be
deposited in lining and may damage disc. When pad lin-
ing requires correction, replace it with a new one.
Pad thickness (lining + rim) "a"
Standard : 15.3 mm (0.60 in.)
Service limit : 8.2 mm (0.32 in.)
NOTE:
When pads are removed, visually inspect caliper for
brake fluid leak. Correct leaky point, if any.
FRONT BRAKE 5B-3