Isuzu Trooper (1998-2002 year). Manual - part 662

7A–32

AUTOMATIC TRANSMISSION (4L30–E)

h. Reinstall the selector lever.

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Procedure 2

a. Place selector lever in neutral.
b. Disconnect transmission harness connector from

mode switch connector.

c. Remove mode switch connector with bracket from

the transmission case.

d. Connect multimeter (resistance mode) to

terminals 1(E) and 4(H) on mode switch connector.

e. Loosen two mounting screws.
f. Rotate mode switch slightly in both directions to

determine the range (approx. 5 degrees) of
electrical contact.

g. Position mode switch in middle of contact range.
h. Tighten two mounting screws.
i. Remove multimeter and install mode switch

harness connector with bracket to the
transmission case.

j. Connect transmission harness connector to mode

switch connector.

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7A–33

AUTOMATIC TRANSMISSION (4L30–E)

Transmission (With Transfer Case)

Transmission And Associated Parts

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Legend

(1) Transfer Control Lever Knob
(2) Front Console
(3) Selector Lever Assembly
(4) Transfer Control Lever
(5) Transfer and Exhaust Protector
(6) Rear Propeller Shaft
(7) Front Propeller Shaft
(8) Harness Protector
(9) Rear Mount Nut

(10) Third Crossmember

(11) Exhaust Pipe

(12) Transmission Oil Cooler Pipe
(13) Starter
(14) Transmission Harness Connector
(15) Under Cover
(16) Torque Converter Bolt
(17) Engine Transmission Bolt
(18) Transmission Assembly

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) and

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

7A–34

AUTOMATIC TRANSMISSION (4L30–E)

4. Disconnect shift lock cable from the selector lever

assembly side.

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5. Disconnect wiring harness connectors.
6. Disconnect shift control rod from the selector lever

assembly side.

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7. Remove selector lever assembly (3).
8. Remove transfer control lever (4).
9. Remove transfer and exhaust protector (5).

10. Remove rear propeller shaft (6).

11. Remove front propeller shaft (7).

12. Remove harness protector (8).
13. Support transfer case with a jack and remove two rear

mount nuts (9) from the 3rd crossmember side. 

14. Remove eight third crossmember bolts and third

crossmember (10).

15. Disconnect one oxygen sensor connector from the

transmission harness.

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16. Remove exhaust pipe (11).
17. Disconnect transmission oil cooler pipe (12) from A/T

side.

18. Remove oil pipe clamp  from torque converter

housing bracket.

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19. Loosen oil pipe clamp bolt at the engine mount side.
20. Remove starter (13).
21. Disconnect fuel pipe clamp bracket from

transmission side.

22. Disconnect transmission harness connectors (14)

from transmission, and transfer.

23. Remove under covers (3 pieces) (15) from

transmission case.

24. Lower the front of the transmission a little, then

remove flex plate torque converter fixing bolts (6
pieces) (16) by turning crankshaft.

25. Support the transmission with a transmission jack,

and hoist engine with a chain block.

26. Remove engine transmission fixing bolts (17). 

7A–35

AUTOMATIC TRANSMISSION (4L30–E)

27. Remove transmission assembly (18).

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 (5.5 kg·m/40 lb ft)

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

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