Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 919

7A–102

AUTOMATIC TRANSMISSION (4L30–E)

Extension Housing Assembly

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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

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AUTOMATIC TRANSMISSION (4L30–E)

Disassembly

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

assembly.

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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.

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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.

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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).

7A–104

AUTOMATIC TRANSMISSION (4L30–E)

9. Install front oil seal (5).

CAUTION: Hammering the outside of the oil seal
equally, install it to the extension case entirely.

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Legend

(1) Front Oil Seal
(2) Extension Case

Inspection and Repair

1. Make the necessary repair or parts replacement if

wear, damage or any other abnormal conditions are
found during inspection.

2. Wash all parts thoroughly in clean solvent. Be sure all

old lubricant, metallic particles, dirt, or foreign
material are removed from the surfaces of every part.
Apply compressed air to each oil feed port and
channel in each case half to remove any obstructions
or cleaning solvent residue.

Bearings

1. Inspect the condition of all bearings. Wash bearings

thoroughly in a cleaning solvent. Apply compressed
air to the bearings.

NOTE: Do not allow the bearings to spin. Turn them
slowly by hand. Spinning bearings may damage the
rollers.

2. Lubricate the bearings with a light oil and check them

for roughness by slowly turning the race by hand.

Ball Bearing Play

1. Use a dial indicator to measure the ball bearing play.

2. If the measured value exceeds the specified limit, the

ball bearing must be replaced.

Limit : 0.2 mm (0.008 in)

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7A–105

AUTOMATIC TRANSMISSION (4L30–E)

Main Data and Specifications

General Specifications

Oil capacity

0.185 lit. (0.195 U.S. quart)

Type of lubricant

ATF DEXRON



–III

Torque Specifications

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