Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 919
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).
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.
220RY00008
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)
226RS043
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
220RY00012
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