ISUZU AXIOM 2002 Service Repair Manual

7A±27 AUTOMATIC TRANSMISSION (4L30±E)
Changing Transmission Fluid
There is no need to change the transmission fluid unless
the transmission is used under one or more of the
following heavy duty conditions.
A. Repeated short trips
B. Driving on rough roads
C. Driving on dusty roads
D. Towing a trailer
If the vehicle is used under these conditions, change the
fluid every 20,000 miles (32,000 km).
1. Place a large drain pan under the oil pan.
2. Remove the transmission oil drain screw (2) and drain
fluid.
3. Tighten drain screw (2).
Torque: 38 Nwm (28 lb ft)
4. Remove the transmission overfill screw (1) and fill
transmission through overfill screw opening, using
DEXRON)±III ATF.
NOTE: Add transmission fluid until it flows out over the
overfill screw opening.
5. Let engine idle until a fluid temperature between 32
C
(90
F) and 57
C (135
F) is reached.
6. Add transmission fluid until it flows out over the overfill
screw opening, then close the overfill screw (1).
Torque: 38 Nwm (28 lb ft)NOTE: To prevent fluid leaks, the overfill screw and oil
drain screws gasket must be replaced each time these
screws are removed.
NOTE: Check transmission fluid temperature with scan
tool.
7. Reset ªOil Life Monitorº data by using Tech 2.
Refer to
Tech 2 OBD II Connection in Transmission
Control System (4L30-E) section.
242R200001
Selector Lever
Inspection
1. Make sure that when the selector lever is shifted from
ªPº to ªLº, a ªclickingº can be felt at each shift position.
Make sure that the gear corresponds to that of the
position plate indicator.
2. Check to see if the selector lever can be shifted as
shown in illustration.
C07RW009
Removal
1. Disconnect battery ground cable.
2. Set ignition Key in ªLOCKº position and selector lever
in ºPº position.
3. Remove knee pads (1), cluster upper cover (2) and
center cluster assembly (3).
740R200021

7A±28
AUTOMATIC TRANSMISSION (4L30±E)
4. Remove rear console.
745R200003
5. Remove front console.
745R200004
6. Remove selector lever knob and cover assembly.
256R200001
7. Disconnect select cable.

Refer to
Select Cable in this section.
8. Disconnect shift lock cable.

Refer to
Shift Lock Cable in this section.
9. Disconnect harness connector.

7A±29 AUTOMATIC TRANSMISSION (4L30±E)
10. Remove selector lever subassembly.
256R200005
Installation
1. Install selector lever subassembly.
2. Connect harness connector.
3. Connect shift lock cable.

Refer to
Shift Lock Cable in this section.
4. Connect select cable.

Refer to
Select Cable in this section.
5. Install selector lever knob and cover assembly.
6. Install front console.
7. Install rear console.
8. Install center cluster assembly, cluster upper cover
and knee pads.
9. Connect negative (±) battery cable.
10. After installation, make sure that the selector lever
operates normally, and that each selector position is
properly indicated. (The red mark shows through the
window.)
Select Cable
Removal
1. Set selector lever in ªPº position.
2. Remove knee pads, cluster upper cover, center
cluster assembly, rear console, front console,
selector lever knob and cover assembly.

Refer to
Selector Lever in this section.
3. Disconnect inner cable by pulling projection on pin.
256R200006

7A±30
AUTOMATIC TRANSMISSION (4L30±E)
4. Press down claws and disconnect cable assembly.
A07RW017
5. Remove nuts that fasten grommet in select cable
assembly.
6. Disconnect inner cable.
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7A±31 AUTOMATIC TRANSMISSION (4L30±E)
7. Slide sleeve and disconnect cable assembly.
A07RW082
8. Pull lock.
A07RW015
9. Draw select cable assembly into the interior side.

7A±32
AUTOMATIC TRANSMISSION (4L30±E)
Installation
1. Set selector lever in ªPº position.
2. Let out select cable transmission side end from floor
hole.
3. Fit outer cable into bracket in selector lever assembly.
A07RW016
4. Set inner cable end in selector lever and push pin into
selector lever hole and inner cable end.
256R200007

7A±33 AUTOMATIC TRANSMISSION (4L30±E)
5. Check that lock projects.
A07RW015
6. Connect adjust end fitting attachment to the bracket
on transmission.
7. Set select lever ªPº position and connect inner cable
to select lever.
210RW013
8. Push lock into adjust end fitting attachment.
A07RW014
9. Install grommet.
10. About following installation steps, refer to
Selector
Lever in this section.

7A±34
AUTOMATIC TRANSMISSION (4L30±E)
Shift Lock Cable
Removal
1. Set ignition key in ªLOCKº position and selector lever
in ªPº position.
2. Remove knee pads, cluster upper cover, center
cluster assembly, rear console, and front console.

Refer to
Selector Lever in this section.
3. Disconnect inner cable from selector lever assembly
then push claw and disconnect cable assembly.
256R200002
4. Disconnect lock adjust.
256R200003
5. Remove instrument panel lower cover and steering
column cover.6. Remove spring pin and disconnect inner cable.

Disconnect outer cable from bracket.
256RW008
Installation
1. Set ignition key in ªLOCKº position and selector lever
in ªPº position.
2. Connect outer cable to bracket near steering lock.

Connect inner cable to steering lock and install
spring pin.
3. Install steering column cover and instrument lower
cover.
4. Install adjust body of cable assembly to bracket in
selector lever assembly.

Install inner cable to lever, pulling inner cable with
outer cable.
256R200004

7A±35 AUTOMATIC TRANSMISSION (4L30±E)
5. Check that cable moves smoothly, lightly pulling outer
cable rearward.
6. Connect lock adjust, aligning ªTº mark in the ªUpº
position.
256R200003
7. About following installation steps, refer to Selector
Lever in this section.
8. Check the shift lock operation:
a. Selector lever should not be moved out of ªPº
position with ignition key in ªLockº position.
b. Selector lever can be moved out of ªPº position with
ignition key in ªONºposition only when brake pedal
is depressed.
c. ignition key can be turned to ªLOCKº position only
when selector lever is in ªPº position (key can be
pulled out).
9. If a. and c. fail, readjust cable. If b. fails, readjust
connector wiring and brake pedal switch.
Mode Switch
Removal
1. Place selector lever in neutral.
2. Disconnect battery ground cable.
3. Remove mode switch cover (1) (V6).
4. Disconnect selector lever (2) from the mode switch.
5. Remove bracket with cable (3).
6. Disconnect transmission harness from the mode
switch connector (4).
7. Remove bracket with mode switch connector from
the transmission case.
8. Remove mode switch connector (4) from the bracket
(5).
9. Remove two mode switch bolts and nut then remove
mode switch (6).
210RW014

7A±36
AUTOMATIC TRANSMISSION (4L30±E)
Installation
To install, follow the removal steps in the reverse order,
noting the following points;
1. Torque
Mode switch bolt: 13 Nwm (113 lb in)
Selector lever nut: 23 Nwm (17 lb ft)
2. Mode switch setting procedure
Perform either of the following adjustment
procedures:
Procedure 1
a. Place selector lever in neutral.
b. Remove selector lever from the mode switch.
c. Remove the mode switch cover.
d. Loosen the two 10 mm screws.
e. Rotate the mode switch until the slot in the mode
switch housing aligns with the selector shaft
bushing, and insert a 3/32 in. (2.4 mm) drill bit or
punch (1) into the slot.
f. Tighten the screws to 13 N´m (113 lb in).
g. After completing adjustment, snap the mode
switch cover into place.
h. Reinstall the selector lever.
249RW001
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.
F07RW003