Suzuki Wagon R Manual page 818

REAR COVER (B0 Piston Assembly)
DISASSEMBLY
1) Remove O/D brake piston (1) from rear cover (2).
NOTE:
If O/D brake piston is hard to take it out, force low-pressure
compressed air (1 kg/cm
shown in figure and pop out piston into a rag.
2) Remove O-ring (3) and seal ring (4).
Replace them, if damaged.
ASSEMBLY
1) Install seal rings to rear cover and O-rings to O/D brake piston.
2) Apply grease to O-rings and install O/D brake piston to rear cov-
er.
AUTOMATIC TRANSMISSION (4 A / T) 7B-107
2
, 15 psi, 100 kPa max) into hole (5)