Suzuki Wagon R Manual page 3431

7B1-138 AUTOMATIC TRANSAXLE (M13 ENGINE MODEL)
68) Screwing 3 bolts (1), remove reduction drive gear (2).
Bolt Length
1 30 mm (1.20 in.)
CAUTION:
Screw 3 bolts into reduction drive gear uniformly, or
reduction drive gear, bearing and transaxle case may be
damaged.
69) Blowing compressed air from oil hole of oil pump, remove 1st
and reverse brake piston (1).
70) Remove parking lock pawl bracket (1).
71) With slotted screw driver, cut and unfold manual valve lever
spacer (1) and proceed to remove manual valve lever
spacer.