Suzuki Wagon R Manual page 2551

7B1-154 AUTOMATIC TRANSAXLE (M13 ENGINE)
8) Remove forward clutch piston O-ring (1) from intermediate
shaft subassembly (2).
9) Remove forward clutch drum O-ring (1) from forward clutch
drum (2).
10) Remove intermediate shaft seal ring (1) from intermediate
shaft subassembly (2).
Inspection
Clutch Discs, Separator Plates and Retaining Plate
Check that sliding surfaces of discs, separator plates and retain-
ing plate are not worn hard or burnt. If necessary, replace.
NOTE:
• If disc lining is exfoliated or discolored, replace all
discs.
• Before assembling new discs, soak them in A/T fluid
for at least two hours.