Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1556

7A–64

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.

(V6)

241RW008

(HEC)

241R100001

Installation

1. Apply clean ATF to the new oil seal ring lip.

D

Install oil seal ring to converter housing, tighten to
the specified torque.

Torque: 3 N

•

m (26 lb in)

2. Install torque converter to converter housing.
3. Install transmission assembly to the vehicle, refer to

Transmission in this section.

7A–65

AUTOMATIC TRANSMISSION (4L30–E)

Rear Oil Seal (Extension Assembly)

Removal

1. Remove transfer case assembly from the vehicle

(4

×

4). Refer to Transfer Case in Drive Line/Axle

section.

2. Remove rear oil seal from transmission extension

assembly.

(4

×

4)

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 to the vehicle

(4

×

4). Refer to Transfer Case in Drive Line/Axle

section.

7A–66

AUTOMATIC TRANSMISSION (4L30–E)

Transmission (4L30–E)

Disassembly

NOTE: During the disassembly and reassembly, perform
the following:

D

Wash each part thoroughly, and blow air through each
oil passage and groove to eliminate blockage.

D

Seal rings, roll pins, and gaskets should be replaced.

D

When assembling the components, apply
DEXRON



–III Automatic Transmission Fluid (ATF)

to each seal, rotating part, and sliding part.

D

Do not dip part facings, such as clutch or brake drive
plates, in cleaner when washing it.
Also, always coat parts with new ATF two or three
times after cleaning with solvent.

1. Remove torque converter (1). 

D

Drain fluid from torque converter.

D

Attach J–8763–02 holding fixture to the
transmission and set it on J–3289–20 holding
fixture base.

NOTE: Do not overtighten the tool, as case damage may
result.

420RW021

2. Remove O-ring (2) from turbine shaft.
3. Remove two 10mm mode switch screws, selector

lever nut, cover (V6), and mode switch (3).

4. Remove twelve 10mm adapter case oil pan (4) fixing

screws, adapter oil pan, and gasket.

5. Disconnect electrical wiring connections (5) from

solenoids and 4 way (V6) or 5 way (HEC) connector of
adapter case. Pull on connectors only, not on wiring
harness.

6. Remove seven 13mm adapter case valve body (6)

fixing screws, adapter case valve body assembly,
transfer plate, and two gaskets.

D

Remove wiring harness and 4 way (V6) or 5 way
(HEC) connector.

7. Remove sixteen 10mm main case oil pan (7) fixing

screws, main oil pan, magnet, and gasket.

8. Remove three 13mm oil filter (8) fixing screws and oil

filter.

9. Remove two 13mm manual detent (9) fixing screws,

roller and spring, and manual detent.

10. Disconnect wiring harness assembly (10) from band

apply solenoid, shift solenoids, and main case 7 way
(V6) or 4 way (HEC) connector.
Pull on connectors only, not on wiring harness.

11. Remove four 13mm servo cover (11) fixing screws,

servo cover, and gasket.

12. Remove seven 13mm valve body screws and ground

wire (HEC) from main case.

D

Remove wiring harness assembly (5) from the
adapter case side.

D

Remove main valve body assembly (12) with
manual valve link and transfer plate. Note the
position of the link (long end into valve, short end
into range selector lever).

D

Remove 7 way (V6) or 4 way (HEC) connector.

D

Remove gasket transfer plate from main case.

13. Remove two check balls (13) from main case.

7A–67

AUTOMATIC TRANSMISSION (4L30–E)

(V6)

240RY001