Isuzu Trooper (1998-2002 year). Manual — part 722
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–85
244RY00018
244RY00017
NOTE:
1. 2 or 3 people are reguired removal and installation of the
valve body assembly and pressure control solenoid.
2. 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.
244RY00006
INSTALLATION
To install, follow the removal steps in reverse order, noting the
following points;
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
3. Valve body fixing bots
Each bolt location and length(mm) is indicated in the figure.
N·m(kg·cm / lb·in)
Torque
7 (70/61)
N·m(kg·cm / lb·in)
Torque
10 (100/87)
7A–86
AUTOMATIC TRANSMISSION (AW30-40LE)
TRANSMISSION REMOVAL AND INSTALLATION
240RY00038
Removal Steps
1. Transfer protector
2. Rear sound cover
3. Front sound cover
4. Rear propeller shaft
5. Front propeller shaft
6. Exhaust pipe
7. Harness connector
8. Front console, selector lever assembly, and
transfer control lever
9. Transfer case assembly
10. ATF cooler pipe and clamp
11. Under cover and flex plate-torque converter
bolt
12. Rear mounting nut
13. 3rd crossmember
14. Oil level gauge and tube
15. Starter
16. Engine-transmission bolt
17. Transmission assembly
Installation steps
To install, follow the removal steps in reverse order.
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–87
253RY00001
REMOVAL
Preparation:
• Remove engine hood.
• Disconnect negative (–) battery cable.
1. Transfer protector
2. Rear sound cover
3. Front sound cover
4. Rear propeller shaft
5. Front propeller shaft
NOTE:
Apply alignment marks on the flange at both front and rear
sides.
6. Exhaust pipe
• Remove the 2nd front exhaust pipe from the 1st front
exhaust pipe and exhaust silencer.
7. Transmission harness connector
• Disconnect the harness connectors from the
transmission.
8. Front console, selector lever assembly, and transfer
control lever
• Disconnect the transfer control lever knob.
• Remove the front console.
• Disconnect the harness connector.
• Remove the selector lever assembly.
• Disconnect the shift control rod from the transmission.
9. Transfer case assembly
• Disconnect the breather hose from the transfer case.
• Remove the transfer case assembly from the
transmission.
10. ATF cooler pipe and clamp
•
Disconnect two ATF cooler pipes from A/T side.
• Remove oil pipe clamp from torque converter housing
side.
• Loosen oil pipe clamp bolt at engine mount side.
7A–88
AUTOMATIC TRANSMISSION (AW30-40LE)
240RY00026
022RY00001
11. Under cover and flex plate-torque converter bolt
• Remove the under cover.
• Turn the crankshaft to gain access to each bolt.
Remove the six torque coverter fixing bolts.
NOTE:
New fixing bolts should be replaced for reassembly.
12. Rear mounting nut
• Support transmission with a jack.
• Remove two rear mounting nuts from the 3rd
crossmember.
13. 3rd crossmember
14. Oil level gauge and tube
15. Starter
• Remove the mounting bolts, and pull the starter toward
the front of the vehicle.
Lay the starter alongside the engine.
16. Engine-transmission bolt
• Remove engine-transmission fixing bolts.
• Disconnect the breather hose from the breather hose 3
way (W/TOD) or 2 way (WO/TOD).
17. Transmission assembly
NOTE:
Keep the oil pan positioned down.
Be careful not to let the torque converter slide out.
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