Page 4116 of 6020
ON-VEHICLE SERVICE (AW30–40LE) 7A3-31
Transmission Control Module (TCM)
RTW 37ALF001801
Removal
Preparation:
Disconnect negative (–) battery cable.
1. Disconnect the TCM harness connectors.
2. Remove fixing nuts (2 pieces) and TCM with bracket from the car.
NOTE: The TCM is fitted under instrument panel of the
driver's compartment by means of two stud bolts.
3. Remove fixing nuts (2 pieces) and remove TCM
from bracket.
Installation
To install, follow the removal steps in reverse order.
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ISUZU KB P190 2007
Page 4117 of 6020

7A3-32 ON-VEHICLE SERVICE (AW30–40LE)
Shift Solenoid and Lock-Up Solenoid
Removal
Preparation:
• Disconnect negative (–) battery cable.
• Drain the fluid.
Refer to ATF REPLACEMENT in this section.
1. Remove oil lever gage and oil filler tube.
2. Support transfer case (4
×4) or rear cover (4×2)
with a transmission jack.
3. Remove engine rear mounting nuts.
F07RW 008
4. Remove fule pipe heat protector on tansmission
corssmenber.
5. Remove fuel pipe from the crossmenber.
6. Remove transmission crossmenber.
7. Remove the nineteen bolts.
8. Remove oil pan, using seal cutter 5-8840-2153-0.
RUW 37ASH002901
NOTE: Do not turn over the transmission as this will
contaminate the valve body with foreign materials in the
bottom of the oil pan.
Remove oil pan by lifting the transmission case.
Oil pan seal cutter: 5-8840-2153-0
Examine particles in oil pan
Remove the magnet and use it to collect any steel
chips.
Look carefully at the chips and particles in the oil
pan and on the magnet to anticipate what type o
f
wear you will find in the transmission:
Steel (magnetic) .................. bearing, gear and
clutch plate wear
Brass (non-magnetic).......... bushing wear
240RY00008
9. Remove the oil strainer assembly.
244RY00003
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ISUZU KB P190 2007
Page 4118 of 6020
ON-VEHICLE SERVICE (AW30–40LE) 7A3-33
10.Disconnect the solenoid wiring connectors from the
shift solenoid S1(1), S2(2), lock-up solenoid(3) and
pressure control solenoid(4).
249RY00011
249RY00012
11. Remove each retaining bolts and solenoids. (Except
pressure control solenoid:)
Pressure control solenoid cannot be removed.
Installation
To install, follow the removal steps in reverse order
noting the following point;
Refer to the section Reassembly of Majo
r
Components(2) and Transmission Removal and
Installation.
Torque:
Solenoid S1, S2 bolt – 7 N ⋅m (0.7 kgf ⋅
⋅⋅
⋅
m/61 Ib ⋅in)
Lock-up solenoid bolt – 10 N ⋅m (1.0 kgf ⋅
⋅⋅
⋅
m/87
Ib ⋅in)
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ISUZU KB P190 2007
Page 4119 of 6020
7A3-34 ON-VEHICLE SERVICE (AW30–40LE)
Valve Body Assembly and Pressure Control Solenoid
244RY00009
Removal
Preparation:
• Disconnect negative (–) battery cable.
• Drain the fluid. Refer to ATF REPLACEMENT in this section.
1. Remove the nineteen bolts and oil pan.
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ISUZU KB P190 2007
Page 4120 of 6020

ON-VEHICLE SERVICE (AW30–40LE) 7A3-35
2. Remove the oil strainer assembly.
244RY00003
3. Disconnect the solenoid wiring connectors from the
solenoids.
4. Remove the twenty bolts from the valve body.
5. Remove the valve body assembly and pressure control solenoid.
•
After removing valve body assembly from the
transmission case, loosen the solenoid clamp
bolt and remove the pressure control solenoid
from the upper valve body assembly.
Also disconnect the harness connector from the
pressure control solenoid.
NOTE:
• Two or more persons are required for removal and
installation of the valve body assembly and pressure
control solenoid.
• The check valve assembly (1) and the C0 accumulator piston springs (2) will fall from the
transmission case during removal of valve bod
y
assembly.
Protect these parts from damage. The B0 (3), C2 (4),
and B2 (5) accumulator piston and springs may also
fall free and must be protected.
244RY00018
244RY00006
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ISUZU KB P190 2007
Page 4121 of 6020
7A3-36 ON-VEHICLE SERVICE (AW30–40LE)
Installation
To install, follow the removal steps in reverse order
noting the following point;
1. Reinstall the parts removed with the valve bod
y
assembly to their assigned positions in the
transmission case (check valve assembly, C0
accumulator pistons, etc). Install the valve bod
y
assembly to the transmission case.
Refer to REASSEMBLY OF MAJOR
COMPONENTS (2).
2. Solenoid clamp bolt
Torque : 7 N ⋅
⋅⋅
⋅
m (0.7 kgf ⋅
⋅⋅
⋅
m/61 Ib ⋅
⋅⋅
⋅
in)
3. Valve body fixing bolts
Each bolt location is indicated in the figure.
Torque : 10 N ⋅
⋅⋅
⋅
m (1.0 kgf ⋅
⋅⋅
⋅
m/87 Ib ⋅
⋅⋅
⋅
in)
NOTE: Tighten the bolts toward outside equally.
244R200078
4. Oil strainer fixing bolts
Torque : 10 N ⋅
⋅⋅
⋅
m (1.0 kgf ⋅
⋅⋅
⋅
m/87 Ib ⋅
⋅⋅
⋅
in)
5. Oil pan fixing bolts
Torque : 7.4 N ⋅
⋅⋅
⋅
m (0.75 kgf ⋅
⋅⋅
⋅
m/65 Ib ⋅
⋅⋅
⋅
in)
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ISUZU KB P190 2007
Page 4122 of 6020
ON-VEHICLE SERVICE (AW30–40LE) 7A3-37
Rear Oil Seal (Adapter Housing, 4×
××
×4)
Removal
1. Remove the front and rear propeller shaft assembly
from the transfer case.
2. Remove the transfer case assembly from the transmission case.
Refer to Section 7D TRANSFER.
3. Using a screwdriver, remove the rear oil seal.
Installation
1. Apply ATF to a new rear oil seal lip.
2. Using oil seal installer, install the rear oil seal to the adapter housing.
Oil seal installer : 5-8840-2282-0
240RY00003
3. Install the transfer case assembly.
Refer to section 7D TRANSFER.
4. Install the front and rear propeller shaft assembly.
Torque (Propeller shaft flange bolt) :
63 N ⋅
⋅⋅
⋅
m (6.4 kgf ⋅
⋅⋅
⋅
m/46 Ib ⋅
⋅⋅
⋅
ft)
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ISUZU KB P190 2007
Page 4123 of 6020
7A3-38 ON-VEHICLE SERVICE (AW30–40LE)
Rear Oil Seal (Extension Housing, 4×
××
×2)
Removal
1. Remove the rear propeller shaft assembly.
2. Using a screwdriver, remove the rear oil seal.
Installation
1. Apply ATF to a new rear oil seal lip.
2. Using oil seal installer, install the rear oil seal to the extension housing.
Oil seal installer : 5-8840-2702-0
249L100005
3. Install the rear propeller shaft.
Torque (Flange bolt): 63 N ⋅
⋅⋅
⋅
m (6.4 kgf ⋅
⋅⋅
⋅
m/46 Ib ⋅ft)
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ISUZU KB P190 2007