Isuzu 2000 Trooper Workshop Manual page 1533

AUTOMATIC TRANSMISSION (4L30–E)
43. Main case end play measurement
1. Attach axial play checking tool on the extension
housing and set indicator to zero on output shaft.
2. Manually push output shaft upwards.
End play: 0.36mm – 0.80mm (0.014 in – 0.031in)
3. Remove axial play checking tool.
4. If end play is not correct, repeat selective washer
selection.
241RW009
44. Inspect servo piston seal ring. Replace if necessary.
 Ensure brake band is correctly positioned. Rotate
output shaft if necessary.
 Install J–38428 servo piston fitter in servo bore.
 Install apply rod (40), round end toward band, return
spring (41) and piston assembly (42).
45. Install the J–23075 servo spring compressor with
offset to rear of case.
 Compress servo piston seal ring, using fitter while
tightening the tool screw.
 Install servo piston retaining ring (43).
 Remove tool.
 Adjust the brake band by tightening the servo
adjusting screw to 4.5 N·m torque. Be certain the
lock nut is loose, then back–off the screw five turns
exactly. Hold piston sleeve with wrench and tighten
lock nut to 18.5 N·m torque. Be certain the adjusting
screw does not turn.
241RS004
7A–55
241RS005