Isuzu Trooper (2000 year). Service manual - part 395

7A–100

AUTOMATIC TRANSMISSION (4L30–E)

Removal

1. Remove the speedometer sensor (1).
2. Remove the plate (1).
3. Remove the speedometer driven gear bushing and

driven gear (1).

NOTE: Apply a reference mark to the driven gear bushing
before removal.

4. Remove rear companion flange (2), using the flange

companion holder J–8614–11 to remove the end nut.

266RW001

5. Remove the rear companion flange.

NOTE: Use the universal puller to remove the rear
companion flange.

Installation

1. Install companion flange (2), using the companion

flange holder J–8614–11 to tighten the flange nuts to
the transfer case.

266RW001

2. Tighten the new transfer flange nuts to the specified

torque.

Torque
Companion flange: 167 N·m (123 lb ft)

3. Use the punch J–39209 to stake the companion

flange nut (3) at two spots.

266RS001

266RW002

7A–101

AUTOMATIC TRANSMISSION (4L30–E)

NOTE: Be sure to confirm that there is no crack at the
staked portion of the flange nut after staking.

4. Install the O–ring (7) to the speedometer driven gear

bushing (6).

5. Install the driven gear to the speedometer driven gear

bushing (6).

6. Install the speedometer driven gear assembly to the

extension housing assembly.

7. Install the plate (5) to the extension housing assembly

and tighten to the specified torque.

Torque: 15 N·m (11 lb ft)

8. Install the speedometer sensor and tighten to the

specified torque.

Torque: 27 N·m (20 lb ft)

225RY00003

Legend

(4) Bolt
(5) Plate
(6) Bushing
(7) O–ring

7A–102

AUTOMATIC TRANSMISSION (4L30–E)

Extension Housing Assembly

220RY00011

Legend

(1) Bearing Snap Ring
(2) Front Ball Bearing
(3) Extension Shaft
(4) Bearing Snap Ring
(5) Front Oil Seal

(6) Ball
(7) Speedometer Drive Gear
(8) Rear Ball Bearing
(9) Air Breather Pipe Collar

(10) Extension Case

7A–103

AUTOMATIC TRANSMISSION (4L30–E)

Disassembly

1. Remove front oil seal (5) from the extension housing

assembly.

220RY00005

2. Remove front snap ring (4), use a pair of snap ring

pliers to remove the snap ring.

3. Remove the extension shaft with ball bearing from the

extension case (10).

4. Remove rear ball bearing (8), using a bench press

and the bearing remover J–22912–01.

220RY00006

5. Remove speedometer drive gear (7).
6. Remove ball (6).
7. Remove bearing snap ring (1), using a pair of snap

ring pliers.

8. Remove extension shaft (3) from the front ball

bearing (2), using a bench press and bearing remover
J–22912–01.

220RY00007

9. Remove air breather pipe collar (9) from the

extension housing assembly.

Reassembly

1. Install air breather pipe collar (9) to the extension

housing assembly.

CAUTION: PUT THE AIR BREATHER PIPE COLLAR
INTO THE EXTENSION CASE AS MATCHING THE
PROTRUSION OF THE AIR BREATHER PIPE
COLLAR WITH THE DEPRESSION OF THE
EXTENSION CASE.

2. Install front ball bearing (2) to the extension shaft (3),

using the ball bearing installer J–22912–01.

3. Install bearing snap ring (1), using a pair of snap ring

pliers.

4. Install ball (6).
5. Install speedometer drive gear (7).
6. Use the ball bearing installer J–22912–01 to install

the rear ball bearing (8).

7. Install the extension shaft with ball bearing to the

extension case (10).

8. Install front snap ring (4).