Isuzu Trooper (2000 year). Service manual — part 384
7A–56
AUTOMATIC TRANSMISSION (4L30–E)
242RW004
46. Install two check balls (44).
244RW002
47. Inspect main case electrical connector and seal,
replace if necessary.
D
Install electrical 7 way connector/main case and
wiring harness.
48. Install two J–25025–B guide pins into main case.
D
Install main case valve body complete assembly
(45) and manual valve link.
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.
D
Install seven 13 mm screws.
Torque: 20 N
•
m (15 lb ft)
D
Remove two guide pins.
49. Install servo cover gasket, cover (46) and four 13 mm
screws.
Torque: 25 N
•
m (18 lb ft)
50. Connect wiring harness (47) to band control, shift
solenoids, and main case 7 way connector.
51. Install manual detent roller and spring assembly (48)
with clip.
D
Install two 13 mm screws.
Torque: 20 N
•
m (15 lb ft)
52. Install oil filter (49), and three 13 mm screws.
Torque: 20 N
•
m (15 lb ft)
53. Install oil pan gasket, magnet, main oil pan (50), and
sixteen 10 mm screws.
Torque: 11 N
•
m (96 lb in)
54. Inspect adapter case electrical connector and seal.
Replace if necessary.
D
Install electrical five pin connector and harness
assembly (52) in bottom of adapter case.
55. Install gasket, transfer plate, and gasket.
D
Install adapter case valve body (51) and seven 13
mm screws.
Torque: 20 N
•
m (15 lb ft)
56. Connect wiring harness harness assembly (52) to
converter clutch PWM solenoid, force motor, and 4
way connector.
57. Install oil pan gasket, adapter case oil pan (53), and
twelve 10 mm screws.
Torque: 11 N
•
m (96 lb in)
D
Rotate transmission, with bottom pan facing down.
58. Install mode switch (54), two 10 mm screws, selector
lever nut, and cover.
10 mm screw
Torque: 13 N
•
m (113 lb in)
Nut
Torque: 23 N
•
m (17 lb ft)
D
Adjust using setting tool, refer to Mode Switch in
this section.
59. Install O–ring (55) on turbine shaft.
60. Install torque converter (56).
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.
7A–57
AUTOMATIC TRANSMISSION (4L30–E)
e. Converter hub scored or damaged.
f. Internal failure in stator.
g. Contamination from engine coolant.
h. Excess end play.
D
Rotate transmission, bell housing up. Spin
converter to insure proper fit.
61. Fill transmission through the overfill screw hole of oil
pan, using ATF DEXRON
–III. Refer to Changing
Transmission Fluid in this section.
240RY002
7A–58
AUTOMATIC TRANSMISSION (4L30–E)
Converter Housing And Oil Pump Assembly
Disassembled View
241RY001
Legend
(1) Converter Housing
(2) Outer Seal Ring
(3) Gasket
(4) Wear Plate
(5) Oil Pump Assembly
(6) Oil Seal Ring
Disassembly
1. Remove oil pump assembly from converter housing.
2. Remove outer seal ring.
3. Remove gasket.
4. Remove wear plate.
5. Remove oil seal ring.
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.
Reassembly
1. Install wear plate onto oil pump assembly.
2. Install converter housing onto complete oil pump
assembly. Align with two short J–38588 guide pins on
outer bolt holes.
D
Loosely install five 13mm bolts.
D
Center converter housing using J–38557 centering
tool.
D
Tighten five inner 13mm bolts in an alternating
pattern.
Torque: 20 N
•
m (15 lb ft)
241RW002
3. Install oil seal ring (3 screws).
Torque: 3 N
•
m (26 lb in)
4. Install gasket.
5. Install outer seal ring.
7A–59
AUTOMATIC TRANSMISSION (4L30–E)
Oil Pump
Disassembled View
241RY002
Legend
(1) Oil Pump Drive Gear
(2) Oil Pump Driven Gear
(3) Pin
(4) Plug
(5) Seal Ring
(6) Torque Converter Clutch Control Valve
(7) Converter Clutch Control Valve Spring
(8) Pin
(9) Converter Clutch Regulator Sleeve
(10)
Converter Clutch Regulator Spring
(11)
Converter Clutch Regulator Valve
(12)
Isolator Spring
(13)
Isolator Valve
(14)
Pin
(15)
Enable Valve Spring Guide
(16)
Enable Valve Spring
(17)
Enable Valve
(18)
Snap Ring
(19)
Spring Seat
(20)
Throttle Signal Accumulator Spring
(21)
Throttle Signal Accumulator Piston
(22)
Sleeve Pin
(23)
Boost Valve Sleeve
(24)
Boost Valve
(25)
Spring Seat
(26)
Pressure Regulator Valve Spring
(27)
Spring Seat
(28)
Pressure Regulator Valve
(29)
Oil Pump Assembly
Disassembly
1. Remove oil pump drive gear (1) and driven gear (2).
2. Remove pin (3) from oil pump assembly (29).
3. Remove plug (4) and seal ring (5), torque converter
clutch control valve (6) and spring (7).
4. Remove pin (8) from oil pump assembly (29).
5. Remove torque converter regulator sleeve (9),
converter clutch regulator spring (10), converter
clutch regulator valve (11), isolator spring (12) and
isolator valve (13).
6. Remove pin (14) from oil pump assembly (29).
7. Remove enable valve spring (16), spring guide (15)
and enable valve (17).
8. Remove snap ring (18) from oil pump assembly (29).
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