Suzuki WagonR+ RB310 Service Manual page 1125

7B1-160 AUTOMATIC TRANSAXLE (M13 ENGINE MODEL)
Assembly
Reverse disassembly procedure for assembly, noting the following
points.
• Use new O-rings. Apply A/T fluid to the O-rings, before
installation.
• Install 2nd brake piston (1) to which A/T fluid is applied to
2nd brake cylinder (2).
Do not damage O-ring when installing 2nd brake piston.