Isuzu KB P190. Manual — part 1030

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 body
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.

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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 body

assembly to their assigned positions in the
transmission case (check valve assembly, C0
accumulator pistons, etc). Install the valve body
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)

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

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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)

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)