Suzuki Wagon R Plus RB310 Service Manual page 717

7B1-148 AUTOMATIC TRANSAXLE (M13 ENGINE)
5) Remove outer O-ring (1).
2. Direct clutch piston
6) Remove inner O-ring (2).
1. Input shaft subassembly
7) Remove input shaft seal rings (1).
Inspection
Clutch Discs, 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.