Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 670

7A1 – 180 AUTOMATIC TRANSMISSION (4L30-E)

3

5

4

2

1

6

CONVERTER HOUSING AND OIL PUMP ASSEMBLY

DISASSEMBLY

1. Converter Housing

Remove five bolts from converter housing.

2. Outer Seal Ring

3. Gasket

4. Wear Plate

5. Oil Pump Assembly

6. Oil Seal Ring

INSPECTION AND REPAIR

Visual check
If any damage, deformation or local wear is found in a
converter housing, outer seal ring, wear plate or oil seal
ring, replace it.

Disassembly Steps

1. Converter housing
2. Outer seal ring
3. Gasket
4. Wear Plate
5. Oil pump assembly
6. Oil seal ring

Reassembly Steps

To reassemble, follow the disassembly steps
in the reverse order.

241RW003

AUTOMATIC TRANSMISSION (4L30-E)  7A1 – 181

REASSEMBLY

6. Oil Seal Ring

Install oil seal ring using installer.

Oil Seal Ring Bolt Torque

N·m (kg·cm / lb·in)

3 (30 / 26)

5. Oil Pump Assembly

4. Wear Plate

Install wear plate onto oil pump assembly.

3. Gasket

2. Outer Seal Ring

1. Converter Housing

1) Install converter housing onto complete oil pump

assembly. Align with two short guide pins on
outer bolt holes.

2) Loosely install five 13mm bolts.
3) Center converter housing using centering tool.
4) Tighten five inner 13mm bolts in an alternating

pattern.

Converter Housing Bolt Torque

N·m (kg·m / lb·ft)

20 (2.0 / 15)

Guide pin: 5-8840-2268-0 (J-38588)
Centering tool: 5-8840-2272-0 (J-38557)

7A1 – 182 AUTOMATIC TRANSMISSION (4L30-E)

14

15

16

17

11

12

13

1

2

7

8

9

10

6

5

4

3

OIL PUMP

DISASSEMBLY

1. Oil Pump Drive Gear

2. Oil Pump Driven Gear

3. Pin

4. Plug

5. Spring

6. Converter Clutch Control Valve

7. Snap Ring

8. Spring Seat

9. Spring

10. Throttle Signal Accumulator Piston

11. Sleeve Pin

12. Sleeve

13. Boost Valve

14. Spring Seat

15. Valve Spring

16. Spring Seat

17. Pressure Regulator Valve

Disassembly Steps

1. Oil pump drive gear
2. Oil pump driven gear
3. Pin
4. Plug
5. Spring
6. Converter clutch control valve
7. Snap ring
8. Spring seat
9. Spring

10. Throttle signal accumulator piston

11. Sleeve pin
12. Sleeve
13. Boost valve
14. Spring seat
15. Valve spring
16. Spring seat
17. Pressure regulator valve

Reassembly Steps

To reassemble, follow the disassembly steps
in the reverse order.

AUTOMATIC TRANSMISSION (4L30-E)  7A1 – 183

INSPECTION AND REPAIR

Visual check
If any damage, deformation or local wear is found in a
snap ring, spring, spring retainer valve, gear or oil pump,
replace it.

REASSEMBLY

17. Pressure Regulator Valve

16. Spring Seat

Lubricate and preinstall pressure regulator spring
seat on valve, with the flat side against shoulder.

15. Valve Spring

14. Spring Seat

13. Boost Valve

12. Sleeve

11. Sleeve Pin

10. Throttle Signal Accumulator Piston

9. Spring

8. Spring Seat

Install throttle signal accumulator piston, spring, and
spring seat, with the flat side away from the spring
and snap ring.

7. Snap Ring

6. Converter Clutch Control Valve

5. Spring

4. Plug

3. Pin

2. Oil Pump Driven Gear

1. Oil Pump Drive Gear