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
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