transmission oil ISUZU AXIOM 2002 Service Owner's Guide

7A±37 AUTOMATIC TRANSMISSION (4L30±E)
Transmission Assembly
Transmission and Associated Parts
240R200005
Legend
(1) Fairing Plate
(2) Transfer Protector (4y4)
(3) Under Cover
(4) Front Propeller Shaft (4y4)
(5) Transmission Oil Cooler Pipe
(6) Select Cable
(7) Rear Propeller Shaft (4y2)
(8) Rear Propeller Shaft (4y4)
(9) Rear Mount Rubber and Propeller Protector
Assembly (4y2)
(10) Fuel Pipe
(11) Fuel Pipe Heat Protector(12) Third Crossmember (4y4)
(13) Third Crossmember (4y2)
(14) Center Exhaust Pipe (4y4)
(15) Starter
(16) Harness Heat Protector
(17) Torque Converter Bolt
(18) Engine-Transmission Bolt
(19) Rear Mount Nut (4y4)
(20) Rear Mount Nut (4y2)
(21) Harness Connector
(22) Transmission Assembly with Transfer
Assembly (4y4)
(23) Transmission Assembly (4y2)

7A±41 AUTOMATIC TRANSMISSION (4L30±E)
3. Gently pull on the connector to check that it is
securely latched.
141RY00006
8. Disconnect transmission harness connector and clip.
Connector : Adapter case, mode switch, main case,
magnetic sensor, transfer switch (4y4), 2±4 actuator
(4y4) and car speed sensor.
9. Remove harness heat protector.
815RW002
10. Support transmission with a jack.
Remove rear mount nuts from third crossmember.
(4y4)
F07RW008
(4y2)
F07R100005
11. Remove third crossmember.
12. Disconnect transmission oil cooler pipes from A/T
side.
13. Remove oil pipe clamp and bracket from the
converter housing.

7A±42
AUTOMATIC TRANSMISSION (4L30±E)
14. Loosen oil cooler pipe clamp bolt at the engine mount
side.
(4y4)
253RY001
15. Remove select cable by disconnecting inner cable
from select lever and removing outer cable with
bracket.
256RW025
16. Remove starter.
17. Remove under covers from the transmission and
engine.18. Remove flex plate torque converter fixing bolts (6
pieces) by turning crankshaft.
240RX010
19. Remove engine transmission fixing bolts.
20. Pull out transmission assembly from the engine.
21. Remove the rear mount rubber and propeller
protector assembly if required (4y2).

7A±44
AUTOMATIC TRANSMISSION (4L30±E)
4. Install under covers to the transmission and engine.
5. Install starter.
Torque: 40 Nwm (30 lb ft)
6. Install select cable by connecting inner cable to select
lever and installing outer cable with bracket.
256RW025
7. Connect transmission oil cooler pipes to A/T.
Torque: 44 Nwm (33 lb ft)
8. Install oil cooler pipe clamp and bracket to the
converter housing.
(4y4)
253RY001
9. Tighten oil cooler pipe clamp bolt at the engine mount
side.10. Install third crossmember.
Torque: 116 Nwm (85 lb ft)
11. Install rear mount nuts.
Torque: 50 Nwm (37 lb ft)
(4y4)
F07RW008
(4y2)
F07R100005

7A±47 AUTOMATIC TRANSMISSION (4L30±E)
Solenoid (Main Case Valve Body)
Removal
1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Remove transfer protector (4y4).
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 screws, oil filter.
8. Disconnect wiring harness from band control
solenoid and shift solenoids. Pull only on connectors,
not on wiring harness.
9. Remove spring pin for shift solenoid A, shift solenoid
B, and band control solenoid respectively, using
suitable pliers taking care not to damage solenoids.
210RW010
244RW003
10. Remove shift solenoid A, shift solenoid B, band
control solenoid, and gaskets from main case valve
body. Do not pull on wiring harness. Remove
solenoids by grasping the metal tip.
Installation
1. Install shift solenoid A, shift solenoid B, band control
solenoid with new gaskets to main case valve body
respectively.
2. Carefully install spring pin with hammer to avoid
damage to valve body, etc.
243RW004
3. Connect wiring harness to solenoids.
4. Install oil filter with a new gasket and the three 13 mm
screws. Tighten the screws to the specified torque.
Torque: 20 Nwm (15 lb ft)
5. Install magnet, main case oil pan with new gasket,
sixteen 10 mm screws. Tighten the screws to the
specified torque.
Torque: 11 Nwm (96 lb in)
6. Install third crossmember and rear mount nuts.
Tighten the nuts and bolts to the specified torque.
Third crossmember bolt: 116 Nwm (85 lb ft)
Rear mount nut: 50 Nwm (37 lb ft)
7. Install the transfer protector. Tighten the bolts to the
specified torque (4y4).
Torque: 37 Nwm (27 lb ft)
8. Fill transmission through the overfill screw hole of oil
pan, using ATF DEXRON)±III. Refer to
Changing
Transmission Fluid in this section.
9. Connect the battery ground cable.

7A±48
AUTOMATIC TRANSMISSION (4L30±E)
Solenoid (Adapter Case Valve Body)
Removal
1. Raise the vehicle and support it on jack stands.
2. Disconnect battery ground cable.
3. Drain fluid.
4. Remove adapter case oil pan twelve fixing 10 mm
screws, adapter case oil pan, and gasket.
NOTE: Oil pan still contains transmission fluid. Place a
large drain container under the oil pan and drain the fluid
carefully.
5. Disconnect wiring harness from force motor solenoid
and converter clutch PWM solenoid. Pull only on
connectors, not on wiring harness.
6. Remove 11 mm bolt, bracket and converter clutch
PWM solenoid with two O±rings.
210RY001
7. Remove 11 mm bolt, retainer, and force motor
solenoid.
210R100002
Installation
1. Install force motor solenoid, retainer, and 11 mm bolt
to adapter case valve body. Tighten the bolt to the
specified torque.
Torque: 10 Nwm (87 lb in)
2. Install converter clutch PWM solenoid with two O±
rings, bracket, and 11 mm bolt to adapter case valve
body. Tighten the bolt to the specified torque.
Torque : 10 Nwm (87 lb in)
3. Connect wiring harness assembly to solenoids.
4. Install adapter case oil pan, new gasket, and twelve
10 mm screws. Tighten the screws to the specified
torque.
Torque : 11 Nwm (96 lb in)
5. Fill transmission through overfill screw hole oil pan,
using ATF DEXRON)±III. Refer to
Changing
Transmission Fluid in this section.
6. Connect battery ground cable.

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 (4y4).
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.

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 Nwm (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 Nwm (18 lb ft)
7. Connect wiring harness to band control and shift
solenoids.
8. Install roller and spring assembly to manual detent.

Install two 13 mm screws, and tighten them to the
specified torque.
Torque: 20 Nwm (15 lb ft)
9. Install oil filter and three 13 mm screws. Tighten the
screws to the specified torque.
Torque : 20 Nwm (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 Nwm (96 lb in)
11. Install third crossmember and rear mount. Tighten the
bolts and nuts to the specified torque.
Torque
Third crossmember bolt: 116 Nwm (85 lb ft)
Rear mount nut: 50 Nwm (37 lb ft)
12. Install transfer protector. Tighten the bolts to the
specified torque (4y4).
Torque: 37 Nwm (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 Nwm (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 Nwm (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±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 Nwm (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.

7A±53 AUTOMATIC TRANSMISSION (4L30±E)
Front Oil Seal (Converter Housing)
Removal
1. Remove transmission assembly from the vehicle.
Refer to
Transmission Assembly in this section.
2. Remove torque converter from converter housing.
3. Remove three screws and oil seal ring from converter
housing.
241RW008
Installation
1. Apply clean ATF to the new oil seal ring lip.

Install oil seal ring to converter housing. Tighten the
screws to the specified torque.
Torque: 3 Nwm (26 lb in)
2. Install torque converter to converter housing.
3. Install transmission assembly to the vehicle. Refer to
Transmission Assembly in this section.
Rear Oil Seal (Extension Assembly)
Removal
1. Remove transfer case assembly (4y4) or extension
assembly (4y2) from the vehicle. Refer to
Transfer
Case in Drive Line/Axle section (4
y4).
2. Remove rear oil seal from transmission extension
assembly.
241RW005
Installation
1. Use J±36797 extension assembly oil seal installer,
and install the rear oil seal to the transmission
extension assembly.
2. Install the transfer case assembly (4y4) or extension
assembly (4y2) to the vehicle. Refer to
Transfer Case
in Drive Line/Axle section (4
y4).