Isuzu Trooper (1998-2002 year). Manual — part 661
7A–28
AUTOMATIC TRANSMISSION (4L30–E)
Lockup Speed Chart (V6 3.2L 6VD1 Model)
Transfer gear ratio:
High: 1.000
Rear axle ratio:
4.555
Lockup ON
Lockup OFF
D range Throttle
i
6%
Mode
2nd
Km/h
(mph)
3rd
Km/h
(mph)
4th
Km/h
(mph)
2nd
Km/h
(mph)
3rd
Km/h
(mph)
4th
Km/h
(mph)
opening 6%
Normal
69
∼
75
(43
∼
47)
63
∼
69
(39
∼
43)
70
∼
76
(43
∼
47)
64
∼
70
(40
∼
43)
43
∼
49
(27
∼
30)
65
∼
71
(40
∼
44)
Power
69
∼
75
(43
∼
47)
73
∼
79
(45
∼
49)
73
∼
79
(45
∼
49)
64
∼
70
(40
∼
43)
65
∼
71
(40
∼
44)
69
∼
75
(43
∼
47)
Lockup Speed Chart (V6 3.5L 6VE1 Model)
Transfer gear ratio:
High: 1.000
Rear axle ratio:
4.300
Lockup ON
Lockup OFF
D range Throttle
i
6%
Mode
2nd
Km/h
(mph)
3rd
Km/h
(mph)
4th
Km/h
(mph)
2nd
Km/h
(mph)
3rd
Km/h
(mph)
4th
Km/h
(mph)
opening 6%
Normal
72
∼
78
(45
∼
48)
53
∼
59
(33
∼
37)
78
∼
84
(48
∼
52)
67
∼
73
(42
∼
45)
45
∼
51
(28
∼
32)
73
∼
79
(45
∼
49)
Power
72
∼
78
(45
∼
48)
77
∼
83
(48
∼
52)
77
∼
83
(48
∼
52)
67
∼
73
(42
∼
45)
68
∼
74
(42
∼
46)
72
∼
78
(45
∼
48)
7A–29
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).
More over, the remaining life percentage of ATF can be
estimated by using Tech 2 as an auxiliary tool to judge the
right time for ATF replacement.
The remaining life percentage is calculated from ATF’S
heat history. When it is close to 0%, ATF replacement is
recommended.
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 N
•
m (3.9 kg·m/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 N
•
m (3.9 kg·m/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
service scan tool.
7. Reset “Oil Life Monitor” data by using Tech 2.
Refer to Tech 2 OBD II Connector in Transmission
Control System (4L30-E) Section.
242RW003
Selector Lever
Inspection
1. Make sure that when the selector lever is shifted from
“P” to “L”, a “clicking” 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
7A–30
AUTOMATIC TRANSMISSION (4L30–E)
Removal
1. Disconnect battery ground cable.
2. Remove transfer control lever knob.
3. Remove front console.
D
Disconnect wiring harness connectors from front
console.
4. Disconnect shift lock cable (1) from the selector lever
assembly side.
256RW012
5. Disconnect shift control rod (2) from the selector lever
assembly side.
256RW013
6. Disconnect wiring harness connectors from the
selector lever assembly.
7. Remove selector lever assembly.
Installation
To install, follow the removal steps in the reverse order,
noting the following points:
Adjustment of select lever and control rod
1. Place the vehicle on a level surface.
NOTE: If the vehicle is not on level surface, the shift
select cable set positions will vary with the movement of
engine. To prevent possible misadjustment of the cable,
the vehicle must be placed on a level surface.
2. Install the shift control rod (1) to the transmission
select lever (2), and then place the lever in the “N”
position.
3. Set select lever in the “N” position.
4. Push select lever forward (“R” position side) and
secure it (using a rubber band (3), etc.) so that the pin
comes into contact with the wall of the detent plate.
5. Install the shift control rod (1) to the selector lever arm
(4).
Torque: 32 N
•
m (3.3 kg·m/24 lb ft)
NOTE: Do not apply oil to the threaded portions.
256RW014
6. After adjustment, make sure that the selector lever
operates normally, and that each selector position is
properly indicated. (The red mark shows through the
window.)
Adjustment of shift lock cable
1. Set ignition key in “LOCK” position and selector lever
in “P” position.
2. Adjust cable screw cap on selector lever side to
provide a gap (slack for cable) of 1 – 2 mm between
rod on steering lock side and stopper.
Adjust cap as follows:
a. Pull screw cap (1) in arrow direction to remove
inner cable slack.
b. With cable kept as (a), adjust gap between nut (2)
and bracket to 5 mm (0.2 in).
c. Lock inner cable by turning nut (3) while holding nut
(2) in place.
Torque : 3.7 N
•
m (38 kg·cm/33 lb in)
7A–31
AUTOMATIC TRANSMISSION (4L30–E)
NOTE: Clean the cable threads, and do not apply oil to
them.
256RW015
3. Check the shift lock operation:
a. Selector lever should not move out of “P” position
with ignition key in “Lock” position.
b. Selector lever can be moved out of “P” position with
ignition key in “ON” position only when brake pedal
is depressed.
c. Ignition key can be turned to “LOCK” position only
when selector lever is in “P” position (key can be
pulled out).
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).
4. Disconnect selector lever (2) from the mode switch.
5. Disconnect transmission harness from the mode
switch connector (3).
6. Remove bracket with mode switch connector from
the transmission case.
7. Remove mode switch connector (3) from the bracket
(4).
8. Remove two mode switch bolts and nut then remove
mode switch (5).
210RW008
Installation
To install, follow the removal steps in the reverse order,
noting the following points;
1. Torque
Mode switch bolt: 13 N
•
m (1.3 kg·m/113 lb in)
Selector lever nut: 23 N
•
m (2.3 kg·m/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 (1.3 kg·m/113 lb in).
g. After completing adjustment, snap the mode
switch cover into place.
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