Isuzu Trooper (2000 year). Manual - part 378

7A–32

AUTOMATIC TRANSMISSION (4L30–E)

Removal

NOTE: Before remove transmission and transfer
assembly from vehicle, change the tansfer mode to 2WD
using push button on dash panel.

1. Remove engine hood.
2. Disconnect battery ground cable.
3. Remove transfer control lever knob (1) (4

×

4) and

disconnect wiring harness connectors, then remove
front console (2).

4. Remove selector lever assembly (3).
5. Remove transfer control lever (4) (4

×

4).

6. Remove transfer protector (5) (4

×

4).

7. Disconnect shift control rod from the selector lever

assembly side.

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8. Remove rear propeller shaft (6).
9. Remove front propeller shaft (7) (4

×

4).

10. Remove harness protector (8).

11. Support transfer case (4

×

4) or transmission (4

×

2)

with a jack and remove two rear mount nuts (9) from
the 3rd crossmember side. 

12. Remove eight third crossmember bolts and third

crossmember (10).

13. Remove front exhaust silencer mounting nuts.
14. Remove left seat belt tension rod.
15. Disconnect two left side oxygen sensor connectors

from the transmission harness.

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16. Remove left catalytic converter assembly (11).
17. Loosen right catalytic converter nuts to exhaust

manifold.

NOTE: This will make the next steps easier.

18. Disconnect transmission oil cooler pipe (12) from A/T

side.

19. Remove oil pipe clamp  from torque converter

housing bracket.

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20. Loosen oil pipe clamp bolt at the engine mount side.
21. Remove starter (14).
22. Disconnect fuel pipe clamp brackets from

transmission side.

23. Disconnect transmission harness connectors (15)

from transmission, transfer, and right catalytic
converter.

24. Remove front crossmember (16).
25. Remove under covers (3 pieces) (17) from

transmission case.

26. Remove flex plate torque converter fixing bolts (6

pieces) (18) by turning crankshaft.

7A–33

AUTOMATIC TRANSMISSION (4L30–E)

27. Support the transmission with a transmission jack,

and hoist engine with a chain block.

28. Remove engine transmission fixing bolts (19). 
29. Remove transmission assembly with transfer case

(4

×

4) / extension assembly (4

×

2) (20).

30. Remove transfer case / extension assembly from the

transmission assembly if necessary.

Installation

1. Slowly raise transmission jack until front of the

transmission is aligned with rear of the engine, then
install transmission assembly.

2. Tighten engine transmission bolts, to the specified

torque.

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3. Support transfer case with a jack, and remove the

transmission jack.

4. Install flex plate torque converter bolts (6 pieces) by

turning crankshaft.

Torque: 54 N

•

m (40 lb ft)

NOTE: Do not reuse the flex plate torque converter bolt.

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7A–34

AUTOMATIC TRANSMISSION (4L30–E)

5. Install the under cover (3 pieces), and tighten the

bolts to the specified torque.

Torque: 8 N

•

m (69 lb in)

6. Install front crossmember.

Torque: 78 N

•

m (58 lb ft)

7. Install the starter, and tighten the bolts to the specified

torque.

Torque: 40 N

•

m (30 lb ft)

8. Connect transmission harness connectors to

transmission, transfer, and right catalytic converter.

9. Connect fuel pipe brackets to transmission side.

For 4

×

4 (TOD)

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7A–35

AUTOMATIC TRANSMISSION (4L30–E)

For 4

×

4

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