ISUZU TROOPER 1995 Workshop Manual

Teeth marked" .. "
in alignment with tooth 1 of ring gear and with
double line on carrier
Tooth marked"." in alignment with single
line
on carrier must be
between teeth 23 and 24
of ring gear Teeth
marked
" .. " in alignment with double
lines
on carrier and with tooth 46 of ring gear
Fig. 7A-41
25. Second and third clutch assemblies (Fig. 7 A-42
& Fig. 7A-43)
lttl • Carefully align second clutch plates inner
tangs.
• Install thrust washer, tangs pointing down­
ward, locating tang positioned in slot on
second clutch hub.
W NOTE:
Use petroleum jelly to hold thrust washer in
place.
• Install
third clutch and intermediate shaft
assembly into the second clutch drum.
• Install second and third clutch assemblies
into the main case. Twist output shaft and
clutch assemblies to insure proper fit.
Fig. 7A-42
AUTOMATIC TRANSMISSION (4L30·E) 7A-179
6---Pressure plate
Fig. 7A-43
1 .. 1 • Install pressure plate with lip side up, tang
facing valve body face.
• Install reverse clutch plates. Start with a
steel plate and alternate with lined plates.
• Install
waved clutch plate, center tang
facing
valve body side.
rfil Second clutch end play measurement
L.!!!l (Fig. 7A-44 & 7A-45l
Fig. 7A-44

7A-180 AUTOMATIC TRANSMISSION (4L30-E)
Selective Thrust Washer
DIM. "G" mm(in)
1.53 -1.63 (0.060 -0.064} 1. 72 -1.82 (0.068 -0.072} 1.91 -2.01 (0.075 -0.079}
2.10 -2.20 (0.083 -0.087} 2.29 -2.39 (0.090 -0.094} 2.48 -2.58 (0.098 -0.1 02)
Color
YELLOW RED BLACK NATURAL GREEN BLUE
FOLLOWING THE PROCEDURE SHOULD RESULT IN FINAL END-PLAY FROM 0.36mm TO 0.79 mm (.014" TO .031")
Fig. 7A-45
• Install the gaging tool on the case flange and
against the intermediate shaft.
• Position the inner shaft of the gaging tool
against the thrust surface of the second clutch
hub.
• Tighten thumb screw. Remove the tool.
•
Fit the spacer ring on the inner shaft of the tool.
•
Measure gap ("G"). Select appropriate size
washer as the chart (Fig. 7A-45) specified.
1<&1 Selective washer gaging tool: J-23085-A
•

AUTOMATIC TRANSMISSION (4L30-E) 7A-181
------1 18. Turbine shaft and overrun clutch ---------------1
_ __1------------:~"""clutch p;ston

Overrun clutch drum
Turbine shaft oil seal ring
Turbine shaft
21. Thrust washer
00 internal gear carrier assembly 1 19. Thrust
be~ ring
'
_]'
' o'"''""'.""elutc~~
Diaphragm spring ~
r~~hp; .. on
I
I '
Fourth clutch piston
23. Retainer
and spring assembly
23.
Snap ring
Fig. 7A-46

7A-182 AUTOMATIC TRANSMISSION (4l30-E)
24. Fourth clutch piston (Fig. 7A-47)
• Inspect piston seals and replace if necessary.
1®-f• Lubricate fitter and install on fourth clutch pis-
ton.
• Install fourth clutch piston in adapter case.
• Remove fitter.
Fourth
clutch piston fitter: J-38554
23. Fourth clutch spring retainer (Fig. 7A-48)
• Install retainer and spring assembly.
• Install snap ring in adapter case.
Fourth clutch position
Fig. 7A-47
1®-1•. Install compressor.
Compress retainer and spring assembly.
• Seat snap ring in groove.
• Remove compressor.
Fourth
clutch spring compressor: J-23327 and
J-23327-90.
J-23327-90 J-23327
Fig. 7A-48
22.
Adapter case and center support assembly
(Fig. 7A .. 49)
• Install selective washer using petroleum jelly.
• Install
two 0-ring seals in main case and
adapter case/main case seal ring.
• Install guide pins.
• Install adapter case complete to main case.
1®1 Guide pin: J-38588
Adapter case
and center support assembly
~~§~~~r---Seal ring
-,
Fig. 7A-49
21. Thrust washer (Fig. 7 A-50)
J-38588
Main case
c::J • Install thrust washer into adapter case, with
~ tangs pointing downwards.
20. Overdrive internal gear (Fig. 7A-50)
19. Thrust bearing assembly (Fig. 7A-50)
18. Turbine shaft and fourth clutch plates (Fig. 7A·
50)
• Preassemble overdrive internal gear and thrust
bearing assembly onto the overrun clutch
assembly complete.
\f!NOTE
Yl Install bearing assembly, black side up. Use
petroleum
jelly to keep assembly in place.
• Complete overdrive carrier and internal gear
assembly into adapter case.
1•1• Install fourth clutch plates in the following
order. Steel, Lined, Steel, Steel, Lined, Steel.
Steel plates
go in with short tang facing
towards valve body surface.
17. Fourth clutch retainer (Fig. 7A-50) ~
1•1• Install fourth clutch retainer.
Notch facing up and positioned towards valve
body surface.
•

~~11. Fourth •
~ clutch
___,,.,.,.,.
retainer
Turbine shaft
& overrun clutch
housing assembly
Fourth clutch
plates
®• I 19. Thrust bearing
18
~Overdrive L' ,
~ernal gear _ ------_j
~ 2l. Thr~st washer
Fig. 7A-50
rfi:il Overdrive clutch end play measurement
~ (Fig. 7A-51 and Fig. 7A-52)
Turbine shaft
J-23085-A
case
Fig. 7A-51
• Install the tool on the adapter case flange and
against the
input shaft.
• Position the inner shaft of the tool against the
thrust surface
of the overrun clutch housing.
• Tighten thumb screw. Remove the tool.
• Measure gap "G". Select appropriate size
washer
as the chart specifies.
• Set selective thrust washer aside.
AUTOMATIC TRANSMISSION (4L30-E) 7A-183
1®.1 Selective washer gaging tool: J-23085-A
J-23085-A
Selective Thrust Washer
Dim.
"G" mm(in) Color
1.53-1.63 (0.060- 0.064) Yellow
1. 72 - 1 .82 (0.068 -0.072) Red
1.91 -2.01 (0.075 -0.079) Black
2.10-2.20 (0.083-0.087) Natural
2.29 -2.39
(0.090 -0.094) Green
2.48 -2.58
(0.098 -0.1 02) Blue
FOLLOWING THE PROCEDURE SHOULD
RESULT
IN FINAL END-PLAY FROM
0.1 mm TO 0.8 mm (0.004" TO 0.03")
Fig. 7A-52
16.
Converter housing and oil pump assembly
(Fig. 7A-53)
• Install outer seal ring and gasket.
• Install selective washer.
W NOTE:
VI Use petroleum jelly to hold selective washer in
place.
• Install
complete converter housing and oil
pump
assembly to adapter case.
• Fit and tighten seven outer 13 mm screws.
~~~ Torque N·m (lb·ft) j 39 (29)

7A-184 AUTOMATIC TRANSMISSION (4L30-E)
~· Ensure free rotation of pump using rotation
tool.
16
Pump rotation tool: J-23082-01
-----16. Selective thrust washer
Fig. 7A-53
l'fil Overdrive end play measurement (Fig. 7A-54)
~ • Fit puller on turbine shaft.
• Position axial play checking tool on
converter housing mating face.
• Pull turbine shaft upwards with puller until
first resistance is met.
(Due
to weight of overdrive complete
assembly)
Maintain shaft in this position and set
indicator to zero.
• Pull turbine shaft further upwards with
puller. Read end play shown on indicator.
End
play mm (in) I 0.1 -0.8 (0.004-0.031)
1®.1 Turbine shaft puller: J-25022 and J-24773-1
J-24773·1
J-25022
Fig. 7A-54
15. Extension housing (Fig. 7A-55)
• Inspect extension housing oil seal and
replace if necessary (Fig. 7 A-56).
1®.1 Extension housing oil seal installer: J-36797
• Rotate transmission to horizontal position,
with valve body side down.
• Inspect parking wheel seal ring. Replace if
necessary.
• Install wheel parking lock assembly.
• Install
speed wheel and snap ring.
NOTE:
Use extra long nose pliers.
• Install
gasket onto extension assembly,
usin£1 a thin coating of oil.
• Install
extension housing assembly, and
align parking pawl shaft.
• Install actuator assembly into extension
assembly.
• Install
seven 8 mm hexagon socket head
screws.
• Remove axial play checking tool and puller. ~~~ Torque N-m(lb.ft) 32 (24) W NOTE: _ __:_ ___ __:___:__J_ _ __.::..:::....=_:..:.__ __
If end play is not correct, repeat selective
washer selection.

14. Speed sensor (Fig. 7A-55)
• Inspect speed sensor 0-ring. Replace if
necessary.
~ • Install speed sensor assembly and 10 mm
screw.
~~~ Torque N-m(lb-in) 9 (78)
15. Wheel parking lock
15. Retaining ring
15. Extension housing
Fig. 7A-55
J-36797
Fig. 7A-56
rfil Main case end play measurement (Fig. 7A-57)
~ • Attach axial play checking tool on the
extension housing and set indicator to zero
on
output shaft.
• Manually push output shaft upwards.
End play mm (in) 10.36-0.80 (0.014-0.031)
• Remove axial play checking tool.
• If end play is not correct, repeat selective
washer selection.
AUTOMATIC TRANSMISSION (4l30-E) 7A-185
Fig. 7A-57
13. Servo piston (Fig. 7A-58)
•
•
8:
•
•
•
•
[E•
Inspect piston seal ring. Replace if necessary .
Ensure brake band is correctly
positioned .
Rotate
output shaft if necessary.
Install servo piston fitter in servo bore.
Install apply rod, round end toward band,
return
spring and piston assembly.
Install the tool with offset to rear of case .
Compress servo
piston seal ring, using fitter
while tightening the tool screw.
Install servo piston retaining ring .
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.
Servo
spring compressor: J-23075
Servo piston fitter: J-38428
Servo piston
Note: Offset
of tool to rear of case
Servo piston
retaining ring
J-38428
Fig. 7A-58
~~--Return spring

7A-186 AUTOMATIC TRANSMISSION (4L30-E)
~-4. Oil filler tube
.. tV ~
v -I
6. Adapter case.....L---1>( valve body
Fig. 7A-59
3. Mode switch
and
transmission
harness
11 . Servo cover

12. Main case valve body (fig. 7A-59)
• Install two check balls (Fig. 7A-60).
• Inspect electrical
connector and seal, replace
if necessary.
• Install electrical 4 pin connector/main case
and
wiring harness.
1®..1 • Install two guide pins into main case.
Guide pin:
J-25025-B
• Install valve
body complete assembly and
manual valve link.
W NOTE:
Valve must be extended as the short end of
manual valve link is connected to the range
selector lever. Long end of link goes into valve.
Fig. 7A-60
• Install
seven 13 mm screws.
~~~ Torque N·mOb·ft) I 20 (15)
• Remove two guide pins.
11.
Servo cover (fig. 7 A-59)
Check ball
• Install servo cover gasket, cover and four 13
mm screws.
~~~ Torque N·mOb·ft) I 25 ( 18)
10. Wiring harness (fig. 7A-59)
• Connect harness to band control and shift
solenoids.
9. Manual detent (fig. 7 A-59)
• Install roller and spring assembly with clip.
Install two 13 mm screws.
~~~ Torque N·mOb·ft) 20 (15)
AUTOMATIC TRANSMISSION (4L30-E) 7A-187
8. Oil filter (Fig. 7 A-59)
• Install oil filter, three 13 mm screws.
~~~ Torque N.m(lb·ft) I 20 (15)
7. Main
case oil pan (Fig. 7 A- 59)
• Install oil pan gasket, magnet, oil pan,
sixteen
10 mm screws.
~~~ Torque N·m(lb·in) I 11 (96)
6. Adapter case valve body (fig. 7 A-59)
• Inspect electrical connector and seal.
Replace
if necessary.
Install electrical five pin connector and
harness
assembly in bottom of adapter
case.
Install gasket, transfer plate, gasket.
• Install adapter case valve body complete
and seven 13 mm screws.
~~~ Torque N.m(lb.ft) I 20 (15)
5. Wiring harness (fig. 7A-59)
• Connect harness assembly to converter
clutch solenoid, and force motor.
4. Adapter case oil pan (fig. 7 A-59)
• Install oil pan gasket, oil pan, twelve 10 mm
screws.
~~~ Torque N·mOb·in) 11 (96)
• Rotate transmission, with bottom pan
facing
down.
• Install seal ring, oil filler tube, 10 mm screw.
~~~ Torque N·mOb·in) I 13 (113)
3. Mode switch and transmission harness
(Fig. 7A-61).
• Install transmission harness.
• Install mode switch, shield and two 10 mm
screws.
• Adjust using setting tool.
Refer to "MODE SWITCH" in this section.
~~~ Torque
Selector shaft nut
10 mm screw
N·mOb·ft)
23 (17)
13 (113 lb·in)

7A-188 AUTOMATIC TRANSMISSION (4L30-E)
Fig. 7A-61
2. 0-ring (fig. 7 A-59)
• Install 0-ring on turbine shaft.
1. Torque converter
(fig. 7A-59)
The converter assembly
must be replaced under
any
of the following conditions:
a. Evidence of damage to the pump assembly
b. Metal particles are found after flushing
the
cooler lines
c. External leaks in hub weld area
d. Converter Pilot broken, damaged
or poor fit
into crankshaft
e. Converter hub scored or damaged
f.
Internal failure in stator
g. Contamination
from engine coolant
h. Excess end play.
• Install converter assembly.
Rotate transmission,
bell housing up. Spin
converter
to insure proper fit.
• Fill transmission through the oil filler tube, using
DEXRQN®-111 Automatic transmission fluid.