check oil ISUZU TROOPER 1995 Workshop Manual

AUTOMATIC TRANSMISSION (4L30·E) 7A-189
CONVERTER HOUSING AND OIL PUMP ASSEMBL V
1
Disassembly steps
1. Converter housing
2. Outer seal ring
3. Gasket
4. Wear
plate
5. Oil pump assembly
6. Oil seal ring
Reassembly steps
To reassemble, follow
the disassembly steps in the reverse order.
Fig. 7A-62
l•!•l DISASSEMBLY
1. Converter housing
• Remove five bolts from converter housing.
2. Outer seal ring
3. Gasket
4. Wear plate
5. Oil pump assembly
6. Oil seal ring
[1!) INSPECTION AND REPAIR
Visual check
• If any damage, deformation or local wear is found
in a converter housing, outer
seal ring, wear plate
or oil seal ring, replace it.
l•!•l REASSEMBLY
6. Oil seal ring
• Install oil seal ring using installer.
1~1 Torque N·m (lb·in)
5. Oil pump assembly
4. Wear plate
3 (26)
• Install wear plate onto oil pump assembly.
3. Gasket
2. Outer seal ring
"-"' 1. Converter housing (Fig. 7A-63)
li0\1 • Install converter housing onto complete oil
~ pump assembly. Align with two short guide
pins on outer
bolt holes. •
Loosely install
five 13mm bolts.
•
Center converter housing using centering tool.
•
Tighten five inner 13mm bolts in an alternating
pattern.
I~I ___ T_o_rq~u_e __ N_·_m_(_lb_·ft_)~l _____ 2_0_(_15_) ____ _
Guide pin: J-38588
Centering
tool: J-38557
J-38557
Fig. 7A-63

7A-190 AUTOMATIC TRANSMISSION (4L30-E)
OIL PUMP
Disassembly steps 1. Oil pump drive gear 2. Oil pump driven gear 3. Pin 4. Plug 5. Spring 6. Converter clutch control
valve
7. Snap ring 8. Spring seat 9. Spring 10. Throttle signal accumulator piston 11. Sleeve pin 12. Sleeve 13. Boost valve 14. Spring seat 15. Valve spring 16. Spring seat 17. Pressure regulator valve
Reassembly steps
To reassemble, follow the disassembly steps in the
reverse order.
Fig. 7A-64
1+!•1 DISASSEMBLY
1. Oil pump drive gear
2. Oil pump driven gear
3. Pin
4. Plug
5. Spring
6. Converter clutch control valve
7. Snap ring
8. Spring seat
9. Spring
10. Throttle signal accumulator piston
11. Sleeve pin
12. Sleeve
13. Boost valve
14. Spring seat
15.
Valve spring
16. Spring seat
17. Pressure regulator valve
ll..•ltNSPECTION AND REPAIR
Visual check
• If any damage, deformation or local wear is
found in a snap ring, spring, spring retainer
valve,
gear or oil pump, replace it.
l•!•l REASSEMBLY
17. Pressure regulator valve
16. Spring seat
0 • Lubricate and preinstall pressure
L::::J spring seat on valve, with the
1 .. 1 against shoulder.
15. Valve spring
14. Spring seat
13.
Boost valve
12. Sleeve
11. Sleeve pin
10. Throttle signal accumulator piston
9. Spring
8. Spring seat
regulator
flat side
r=1 • Install throttle signal accumulator piston,
t.=..l spring, and spring seat, with the flat side
away from the spring and snap ring.
7. Snap ring
6. Converter clutch control valve
5. Spring
4. Plug
3. Pin
2. Oil pump driven gear
1. Oil pump drive gear

~
AUTOMATIC TRANSMISSION (4L30-E) 7A-191
MAIN CASE VALVE BODY
1·:-1
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
23
8 25 i 24
26
r t 1
~kY~ 3
"· u 21 20
/:: 14 4 11
~ 2
16
Fig. 7A-65
DISASSEMBLY 16. Spring pin
Gaskets
and transfer plate 17. Plug
Disassembly steps
1. Gaskets and transfer plate 2. Manual valve
3. Band control solenoid 4. Pin 5. Waved washer
6. Spring pin 7. 1-2/3-4 solenoid
8. Retainer 9. 1-2/3-4 shift valve 10. Spring
11. Spring pin 12. 2-3 solenoid
13. Retainer 14. 2-3 shift valve 15. Spring
16. Spring pin 17. Plug 18. Spring
19. Low pressure control valve
20. Spring pin 21. Plug
22. Band control screen assem-bly
23. Spring pin 24. Plug
25. 1-2 accumulator valve 26. 1-2 accumulator control valve
27. Check ball
Reassembly
steps
To reassemble,
follow the dis­
assembly steps in the reverse
order.
• Remove two 11 mm bolts from valve body. 18. Spring
Manual valve 19. Low pressure control valve
Band control solenoid 20. Spring pin
Pin 21.
Plug
Waved washer 22.
Band control screen assembly
Spring pin 23. Spring pin
1-2/3-4 solenoid 24. Plug
•
Remove solenoids by grasping the metal tip. 25.
1-2 accumulator valve
Do not grasp the connector housing.
26. 1-2 accumulator control valve
Retainer 27. Check ball
1-2/3-4 shift valve • Remove 1 check ball from valve body.
Spring IL•I INSPECTION AND REPAIR Spring pin
2-3 solenoid Inspect for the following and replace any damaged or
• Remove solenoids by grasping the metal tip. worn parts:
Do
not grasp the connector housing. • Damage or wear to each valve.
Retainer • Damage in oil passages .
2-3
shift valve • Cracks or damage to valve body .
• Valve operations . Spring • Spring fatigue .

7A-214 AUTOMATIC TRANSMISSION (4L30-E)
CASE AND ASSOCIATED PARTS
1 Torque converter 2 Screw, seal ring assembly 3 Seal ring assembly, converter
housing
4 Screw, converter housing/main
case
5 Screw, converter housing/oil pump 6 Housing, converter 7 Plug, converter housing 8 Seal, 0-ring 9 Wear plate, oil pump body 10 Pump assembly, oil 11 Gasket 12 Washer, thrust selective 13 Ring, snap 14 Cover, 3-4 accumulator piston 15 Seal, 0-ring, 3-4 accumulator 16 Spring, 3-4 accumulator piston 17 Pin, 3-4 accumulator piston 18 Piston, 3-4 accumulator 19 Ring, 3-4, accumulator piston 20 Case, adapter 22 Connector, electrical/adapter case 23 Screw & conical washer assembly 24 Seal 0-ring, filler tube 25 Tube assembly, fluid filler 26 Seal, filler tube 27 Restrictor, oil 28 Gasket, Transfer plate/adapter 29 Plate, transfer adapter/center
support
30 Support assembly, center 31 Screw, center support 32 Ring, oil seal
33 Seal, 0-ring main case 34 Fitting, cooler 35 Fitting assembly, cooler
206
201 Gear, oil pump drive 202 Gear, oil pump driven 203 Pin, boost valve sleeve 204 Sleeve, boost valve 205 Valve, boost
201
206 Seat, spring/pressure regulator valve 207 Spring, pressure regulator valve 208 Valve, pressure regulator 209 Pump assembly, oil
36 37
38
39
42 43
44
45
46
50
52
53
54
55
56
57
58 59
60
61
62 63 64
65
67
68 69 70 71
Case, main 72 Gasket, adapter valve body
Breather, pipe 73 Plate, adapter valve body/transfer
Seal, 0-ring 74 Pan, bottom/main case
Reservoir
75 Gasket, bottom pan/main case
78 Magnet, chip collector
Gasket, extension case
79 Filter oil
Extension assembly
80 Harness assembly, main case
Seal, 0-ring/speed sensor 82 Roller & spring assembly, manual
Sensor assembly, speed detent Screw, speed
sensor 84 Valve body assembly, main case
85 Ball, check
86 Gasket, main V.B./Transfer plate
Seal, extension assembly 87 Plate, main V.B./Transfer
88 Gasket, transfer/main case
Screw, extension/main case 89 Screw, transfer plate on V.B.
Spring, parking pawl lock 90 Screw, servo cover
Pawl, parking lock 91 Cover, servo piston Connector, electrical/main case 92 Gasket, cover/servo piston
Actuator assembly, parking lock
93 Ring, retaining servo piston
Nut, parking lock lever 94 Clip, servo piston
Link, manual valve 95 Nut, servo screw
Pin, spring 96 Screw, servo piston
Lever, parking lock
& range 97 Piston, servo
selelector 98 Seal, ring/servo piston
Shaft, selector 99 Spring, cushion/servo piston
Seal, selector shaft 100 Seat, cushion spring
Mode switch assembly 101 Sleeve, servo piston adjust
Screw & conical washer assembly 102 Rod, apply/servo piston
Shield, mode switch 103 Spring, return/servo piston 104 Gasket, adapter case/transfer plate
Pan, Bottom/Adapter case 105 Transmission control module
Gasket,
bottom pan/adapter ca!~e 106 Servo piston assembly
Harness assembly, adapter
cas'~ Screw, valve body
Valve body assembly, adapter ~:ase
PUMP ASSEMBLY
202 211 ~-~ 212 . 213
210 Valve, converter clutch control 211 Sprinn, converter clutch control valve 212 Plug, converter clutch control valve 213 Pin, spring 214 Piston, throttle signal accumulator 215 Sprinn, throttle signal accumulator 216 Seat, 1;pring/throttle signal accumulator 217 Ring, snap/throttle signal accumulator
Fig. 7A-98
~
•

7A-216 AUTOMATIC TRANSMISSION (4L30-E}
OVERDRIVE INTERNAL COMPONENTS
501 Retainer, 4th clutch
502 Plate, 4th clutch (steel) 503
503 Plate assembly,
4th clutch (lined)
504 Retainer & ball assembly, check valve
505 Seal, 0-ring/turbine shaft 506 Shaft, turbine 508 Ring, oil seal/turbine shaft 510 Housing, overrun clutch 513 Piston, overrun clutch 514 Spring, overrun clutch release 515 Retainer, release spring/overrun clutch 516 Roller assembly, overdrive clutch 517 Cam, overdrive roller clutch 518 Ring, snap/overrun clutch hub 519 Gear, overdrive sun
\52\12 \, ' ' ' -' ' '
' ' ' ' ' J ------' -,_-
510
521 Plate, c•verrun clutch (steel) 522 Plate a~;sembly, overrun clutch (lined)
523 Plate, backing/overrun clutch 524 Ring, snap/overrun clutch housing
525 Carrier assembly, overdrive complete 526 Ring, snap/turbine shaft/carrier
527 Bearin~1 assembly, thrust 528 Gear, overdrive internal 529 Washer, thrust/internal gear/support 530 Ring, snap/adapter/4th clutch spring 531 Retainer & spring assembly, 4th clutch 532 Piston, 4th clutch 533 Seal, 4th clutch piston (inner)
534 Seal, 4th clutch piston (outer)
Fig. 7A-101
529
•

78-34 MANUAL TRANSMISSION
Fig. 78-88
l•!•l REASSEMBLY
30. Counter gear shaft
29. Center roller bearing
r:::::1 • Apply engine oil to the bearing inner and outer
L.:::.l circumferences.
• Install the roller bearing in the proper direction
(Fig. 78-89).
'q7 NOTE:
VI Check that outer race moves only in the direction
of arrow.
Roller Beering
t
Fig. 78-89
28. Front roller bearing (fig. 78-90)
• Use bearing installer to install the front roller
bearing inner race to the counter gear shaft.
• Install the outer race and roller assembly.
The snap ring groove must be facing the
transmission
front side.
1®..1• Use bearing installer to install the ring.
Bearing
installer: J-35283
=
rr=:=n--Ring
~ Outer race and ~Roller assembly
c:::Jb..-lnner race
Fig. 78-90
27. Bearing snap ring
26. Mainshaft
25. Needle bearing
24. 2nd gear
D • Apply engine oil to the needle bearing and the
L.:::.l 2nd gear thrust surfaces.
• Install the needle bearing and the 2nd gear to
the mainshaft.
r:;::] The 2nd gear dog teeth must be facing the
~ transmission rear side (Fig. 78-91 ) .
Fig. 78-91
23. 2nd inside ring (Fig. 78-92)
22. 2nd
outside ring (Fig. 78-92)
21. 2nd
bloc:k ring (Fig. 78-92)
.. Rear
side
D • Apply engine oil to the synchronizer ring
L.:::.l friction surfaces.
•

MANUAL TRANSMISSION 78-37
Fig. 78-100 Fig. 78-102
10. Needle bearing
9. 3rd gear
• Apply engine oil to the needle bearing and the
3rd gear
thrust surfaces.
• Install the needle bearing and the 3rd gear to
the mainshaft.
The 3rd gear dog teeth
must be facing the
transmission
front side (Fig. 78-101 ).
Front side
..
Fig. 78-101
8. 3rd block ring
7. 3rd-4th synchronizer assembly (Fig. 78-102,
Fig. 78·103)
1) Check that the inserts @ fit snugly into the
block ring insert grooves.
2) Check that the insert springs @ are fitted to
the inserts as shown in the illustration.
3) Check that the clutch hub@and the sleeve®
slide smoothly.
4) Install the synchronizer assembly to the
mainshaft.
The
clutch hub face (with the heavy boss)
must be facing the 3rd gear side. Fig.
78-103
6. Mainshaft snap ring
l"fil • Select the snap ring which will provide the
l..!l!l minimum clearance between the 3rd-4th clutch
hub and the snap ring (Fig. 78-1 04).
There are three snap ring sizes available.
The snap rings are color-coded to indicate their
thickness (Fig.
78-1 05).
Clutch
hub and snap ring clearance mm (in)
Standard
0-0.1 (0-0.004)
Snap
ring availability mm (in)
Thickness
Color-coding
1.80 (0.071)
White
1.85
(0.073) Yellow
1.90 (0.075) Blue

CLUTCH 7C-5
DIAGNOSIS
Problem Possible cause Correction
Dragging • Fluid leakage.
• Repair
• Air in hydraulic line.
• Bleed
•
Master cylinder and slave cylinder seals • Replace seals.
worn.
• Driven plate warped. • Replace driven plate.
•
Diaphragm spring weakened or tip of • Replace pressure plate.
fingers worn.
• Driven plate sticking on splines. • Lubricate with grease or replace.
• Clutch spline
worn. • Repair
• Release bearing worn or damaged. • Replace release bearing.
Slipping
• Driven plate facing worn or oil soaked. • Replace driven plate and check for
leaks.
•
Diaphragm spring weakened. • Replace pressure plate.
•
Pressure plate or flywheel warped. • Correct or replace.
•
Master cylinder and slave cylinder seals
• Replace seals.
worn.
Chattering
• Engine mounts loose or damaged. • Tighten or replace.
•
Driven plate facing warped. • Replace driven plate.
•
Surface of facing hardened. • Replace driven plate
•
Driven plate facing oil soaked. • Replace driven plate and check for
leaks.
•
Damper springs weakened or broken. • Replace.
•
Pressure plate or flywheel warped. • Correct or replace.
Noisy • Replace bearing binding. • Correct, or replace if damaged, and
lubricate.
• Replace
bearing worn or damaged. • Replace release bearing.
• Release bearing poorly lubricated.
• Lubricate.
• Pilot bearing worn. • Replace pilot bearing.
• Damper springs weakened or broken. • Replace driven plate.
•
Rivets of driven plate exposed. • Replace driven plate.
Pedal
is hard • Hydraulic line blocked.
• Clean out or replace.
to push • Master or slave cylinders binding. • Repair or replace as needed.

Fig. 7C-17
mm (0.315 in)
Driven plate assembly (Fig. 7C-18)
Release
t
• Visually check the torsion spring for looseness,
breakage, and weakening.
If any of these conditions are discovered, the
driven
plate assembly must be replaced.
• Visually check the facing surfaces for cracking
and excessive scorching.
Visually inspect the facing surfaces for the
presence
of oil or grease.
If any of these conditions are discovered, the
facing
must be cleaned or replaced.
• Check that the driven plate moves smoothly on
the transmission
top gear shaft spline.
Minor ridges on the top gear shaft spline may
be removed
with an oil stone.
Fig. 7C-18
CLUTCH 7C-9
Driven plate warpage (Fig. 7C-19)
l'fil1. Insert the clutch pilot aligner into the driven
1.!!!1 plate splined hub.
li5\l The clutch pilot aligner must be held perfectly
I.::2Y horizontal.
Clutch pilot
aligner; J-24547
2. Set a dial indicator to the driven plate outside
circumference.
3. Slowly turn the driven plate.
Read the dial indicator as you turn the driven
plate.
If
the measured value exceeds the specified
limit, the driven plate assembly must be
replaced.
Driven
plate warpage mm (in)
Standard Limit
0.7 (0.028) 1.0
(0.039)
Fig. 7C-19
Driven plate splined hub spline wear
(Fig.
7C-20)
E1 1. Clean the driven plate splined hub.
l...al 2. Install the driven plate to the transmission top
ffi1 gear shaft spline.
1.!!1 3. Set a surface gauge to the driven plate outside
circumference.
4. Slowly turn the driven plate counterclockwise.
Measure the
spline rotation play as you turn the
driven
plate.
If
the measured value exceeds the specified
limit, the driven plate assembly must be
replaced.
Driven
plate splined hub spline wear mm (in)
Standard Limit
0.5 (0.020) 1.0 (0.039)

Shift fork (Fig. 7C-23)
• Visually check the surfaces of the shift fork
making contact
with the release bearing for
excessive wear and damage.
• Remove any minor stepping or ah,rasion from
shift fork with an oil stone.
Replace any exhibiting
· ex«?~ssive wear or
damage.
Fig.
7C-23
1••1 INSTALLATION
To install, follow the removal steps in the reverse
order, noting the
following points:
7. Flywheel assembly and crankshaft bearing
§I• Clean and lubricate with grease.
1®..1• Use the installer to install the crankshaft
bearing (Fig. 7C-24).
Installer: J-26516-A
Driver handle: J-8092
Fig.
7C-24
CLUTCH 7C-11
• Bolts: flywheel fixing (Fig. 7C-25)
• Install new bolts in the order illustrated and
tighten them to the specified torque.
1~1 Torque N·m (lb·ft) I 54 (40)
6.
NOTE:
• Do not reuse the bolt.
•
Do not apply oil or thread lock to the bolt.
Fig. 7C-25
Fulcrum bridge (Fig. 7C-26)
• Install the fulcrum bridge to the transmission
case.
• Tighten three fulcrum bridge bolts to the
specified torque.
I~I __ T_o_rq~u_e __ N_·_m~(_lb_·ft_l~ _____ 3_8_(_28_) ____ _
5. Shift fork (Fig. 7C-27)
• Apply molybednum disulfide contained type
grease
to the pin hole inner circumferences
and thrust surfaces.
• Attach the shift fork to the fulcrum bridge and
insert the pin
from below of the fulcrum bridge.
• Install the washer and snap pin.
Fig.
7C-26