Suzuki Grand Vitara XL-7 Service Manual page 501

7B1-96 AUTOMATIC TRANSMISSION (4 A / T)
6) Using special tool and hydraulic press, compress piston return
spring and remove snap ring.
CAUTION:
Be careful when applying pressure, for overpressure
will cause plate section of piston return spring to de-
form.
Special tool
(A): 09926-98310
7) Remove brake piston return spring (1).
8) Blow air into fluid hole at the extreme left and remove second
coast brake piston as shown in the figure. Then remove piston
inner O-ring and piston outer O-ring from second coast brake
piston.
9) Remove 3 seal rear rings (1).
NOTE:
Use care not to open ring more than necessary.
2
10) Apply 4 – 8 kg/cm
left and measure stroke of second brake piston as shown in fig-
ure.
If measured value is not within standard range, replace second
brake plate or second brake disc.
Standard second brake piston stroke:
1.01 – 2.25 mm (0.040 – 0.088 in.)
air pressure into the second hole from the