Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 1547
7A–28
AUTOMATIC TRANSMISSION (4L30–E)
Lockup Speed Chart (HEC)
Rear axle ratio
4.777
Lockup ON
Lockup OFF
D range,
Throttle opening
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)
Throttle o ening
6%
Normal
77
∼
83
(48
∼
52)
77
∼
83
(48
∼
52)
77
∼
83
(48
∼
52)
72
∼
78
(45
∼
48)
41
∼
47
(25
∼
29)
61
∼
67
(38
∼
42)
Power
66
∼
72
(41
∼
45)
70
∼
76
(44
∼
47)
70
∼
76
(44
∼
47)
61
∼
67
(38
∼
42)
62
∼
68
(38
∼
42)
66
∼
72
(41
∼
31)
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).
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 (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 (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 “Oil Life Monitor” data by using Tech 2.
Refer to Tech 2 OBD II Connection 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
Removal
1. Disconnect battery ground cable.
2. Set ignition Key in “LOCK” position and selector lever
in ”P” position.
3. Remove transfer control lever knob (4
×
4).
4. Remove lower cluster assembly.
740RW021
7A–30
AUTOMATIC TRANSMISSION (4L30–E)
5. Remove rear console.
256RW005
6. Remove center console.
(4
×
4)
256RW006
(4
×
2)
745R100001
7. Remove selector lever knob and cover.
256RW020
8. Disconnect select cable.
D
Refer to Select Cable in this section.
9. Disconnect shift lock cable.
D
Refer to Shift Lock Cable in this section.
10. Disconnect harness connector.
7A–31
AUTOMATIC TRANSMISSION (4L30–E)
11. Remove selector lever subassembly.
256RX001
Installation
1. Install selector lever subassembly.
2. Connect harness connector.
3. Connect shift lock cable.
D
Refer to Shift Lock Cable in this section.
4. Connect select cable.
D
Refer to Select Cable in this section.
5. Install selector lever knob and cover.
256RX002
6. Install center console.
7. Install rear console.
8. Install lower cluster assembly.
9. Install transfer control lever knob (4
×
4).
10. Connect negative (–) battery cable.
11. 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 “P” position.
2. Remove transfer control lever knob, lower cluster
assembly, rear console, center console, selector
lever knob and cover.
D
Refer to Selector Lever in this section.
3. Disconnect inner cable by pulling projection on pin.
(4
×
4)
256RW022
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