Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 409
7A–49
AUTOMATIC TRANSMISSION (4L30–E)
Valve Body Assembly (Main Case)
Removal
1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Remove transfer protector (4
×
4).
4. Drain fluid.
5. Support transfer case with a jack and remove third
crossmember.
6. Remove sixteen 10 mm screws, main case oil pan,
magnet and gasket.
7. Remove three 13 mm oil filter fixing screws, then
remove oil filter.
8. Remove two 13 mm manual detent fixing screws,
then remove roller and spring assembly.
9. Disconnect wiring harness from band control
solenoid and shift solenoids. Pull only on connectors,
not on wiring harness.
10. Remove four 13 mm servo cover fixing screws, then
remove servo cover and gasket.
11. Remove seven 13 mm valve body fixing screws.
12. Remove main case valve body with manual valve link
and transfer plate. Note the position of the link (long
end into valve, short end into range selector lever).
13. Remove transfer plate gasket from main case.
14. Remove two check balls from main case.
Installation
1. Install two check balls to main case.
244RW002
2. Inspect electrical 7 way connector and seal of main
case. Replace if necessary.
3. Use two J–25025–B guide pin to install main case.
D
Install valve body assembly 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.
4. Install seven 13 mm screws, and tighten them to the
specified torque.
Torque: 20 N
•
m (15 lb ft)
243RS008
5. Remove two guide pins from main case.
6. Install servo cover gasket, cover, and four 13 mm
screws. Tighten the screws to the specified torque.
Torque: 25 N
•
m (18 lb ft)
7. Connect wiring harness to band control and shift
solenoids.
8. Install roller and spring assembly to manual detent.
D
Install two 13 mm screws, and tighten them to the
specified torque.
Torque: 20 N
•
m (15 lb ft)
9. Install oil filter and three 13 mm screws. Tighten the
screws to the specified torque.
Torque : 20 N
•
m (15 lb ft)
10. Install oil pan gasket, magnet, oil pan and sixteen 10
mm screws. Tighten the screws to the specified
torque.
Torque: 11 N
•
m (96 lb in)
11. Install third crossmember and rear mount. Tighten the
bolts and nuts to the specified torque.
Torque
Third crossmember bolt: 116 N
•
m (85 lb ft)
Rear mount nut: 50 N
•
m (37 lb ft)
12. Install transfer protector. Tighten the bolts to the
specified torque (4
×
4).
Torque: 37 N
•
m (27 lb ft)
13. Fill transmission through overfill screw hole of oil pan,
using ATF DEXRON
–III. Refer to
Changing
Transmission Fluid in this section.
14. Connect battery ground cable.
7A–50
AUTOMATIC TRANSMISSION (4L30–E)
Valve Body Assembly (Adapter Case)
Removal
1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Drain fluid.
4. Remove twelve 10 mm adapter case oil pan fixing
screws, adapter case oil pan, and gasket.
NOTE: Oil pan still contains transmission fluid. Place a
large drain container under the oil pan.
Drain the fluid carefully.
5. Disconnect wiring harness from force motor solenoid
and converter clutch solenoid. Pull only on
connectors, not on wiring harness.
6. Remove seven 13 mm screws from adapter case
valve body assembly, then remove transfer plate, two
gaskets, and adapter case valve body.
Installation
1. Inspect electrical 4 way connector and seal of adapter
case. Replace if necessary.
2. Install gasket, transfer plate, and gasket.
3. Install adapter case valve body and seven 13 mm
screws. Tighten the screws to the specified torque.
Torque: 20 N
•
m (15 lb ft)
4. Connect wiring harness assembly to converter clutch
solenoid and force motor.
5. Install oil pan gasket, oil pan, and twelve 10 mm
screws. Tighten the screws to the specified torque.
Torque: 11 N
•
m (96 lb in)
6. Fill transmission through the overfill screw hole of oil
pan, using ATF DEXRON
–III. Refer to
Changing
Transmission Fluid in this section.
7. Connect battery ground cable.
Powertrain Control Module (PCM)
Removal
1. Disconnect battery ground cable.
2. Disconnect PCM wiring harness connectors from
PCM.
3. Remove PCM from bracket.
825R100018
Installation
1. Install PCM to bracket.
2. Connect PCM wiring harness connectors to PCM.
3. Connect battery ground cable.
7A–51
AUTOMATIC TRANSMISSION (4L30–E)
Speed Sensor (Extension Assembly)
Removal
1. Raise the vehicle and support on jack stands.
2. Disconnect battery ground cable.
3. Disconnect speed sensor harness connector from
speed sensor.
4. Remove one 10 mm screw and speed sensor with
O–ring.
Sensor Location (4
×
4)
241R200002
Sensor Location (4
×
2)
241R200001
Installation
1. Inspect the speed sensor O–ring, and replace it if
necessary.
2. Install speed sensor assembly and 10 mm screw.
Torque: 9 N
•
m (78 lb in)
3. Connect speed sensor harness connector to speed
sensor.
4. Connect battery ground cable.
7A–52
AUTOMATIC TRANSMISSION (4L30–E)
Transmission Oil Temperature Sensor (Main Case)
Removal
1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Drain fluid.
4. Remove sixteen 10 mm main case oil pan fixing
screws, main case oil pan, and gasket.
5. Disconnect wiring harness from shift solenoids, band
apply solenoid, and 7 way connector of main case.
Pull only on connectors, not on wiring harness.
6. Remove wiring harness assembly with transmission
oil temperature sensor.
244RY001
Installation
1. Install wiring harness assembly with transmission oil
temperature sensor to band apply solenoid, shift
solenoids, and 7 way connector of main case.
2. Install oil pan gasket, oil pan, and sixteen 10 mm
fixing screws. Tighten the screws to the specified
torque.
Torque: 11 N
•
m (96 lb in)
3. Fill transmission through the overfill screw hole of oil
pan, using ATF DEXRON
–III.
Refer to
Changing Transmission Fluid in this section.
4. Connect battery ground cable.
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