Transmission Replacement
Transmission Replacement
Removal Procedure
Danger:
Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause injury or death.
1. Place the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle Service and Repair.
Danger:
Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
* Identify how to disable high voltage.
* Identify how to test for the presence of high voltage.
* Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
2. Disable the high voltage system. Refer to High Voltage Disabling High Voltage Disabling.
3. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement Air Cleaner Resonator Outlet Duct Replacement.
4. Disconnect the auxiliary transmission fluid pump electrical connectors (1).
5. Remove the three-phase cable fasteners (1) and reposition the cables.
6. Discard the cable housing seals and the cable fastener seals.
7. Remove the lower front bumper fascia fasteners.
8. Using mechanics wire, secure the radiator assembly to the radiator core support.
9. Remove the three upper bell housing fasteners (1).
10. Press the locking tab (1) rearward in order to release the transmission range selector lever cable (2) from the cable bracket.
11. Disconnect the transmission range selector lever cable terminal (1) from the transmission manual pin, then position the cable out of the way.
12. Remove the shift control cable bracket fasteners (1), then the bracket (2) from the transmission.
Warning
Hold the transmission range selector lever while removing or installing the lever retaining nut. Failure to hold the lever can cause damage to the transmission internal park system components which could allow the vehicle to roll when placed in the park position.
13. Remove the transmission range selector lever nut (1).
14. Remove the transmission range selector lever (2).
15. Remove the transmission fluid cooler inlet pipe fastener (1), then disconnect the inlet pipe (2) from the transmission.
16. Secure the steering wheel in order to prevent rotation, inside the passenger compartment, disconnect the intermediate steering shaft from the steering gear. Refer to Intermediate Steering Shaft Replacement Intermediate Steering Shaft Replacement.
Danger:
Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause injury or death.
17. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
18. Remove the catalytic converter assembly (4) from the vehicle. Refer to Catalytic Converter Replacement Service and Repair.
19. Drain the transmission fluid. Refer to Transmission Fluid Drain and Fill Transmission Fluid Drain and Fill.
20. Remove the heater inlet and outlet pipe to frame fasteners (1).
21. Remove the front wheelhouse liners. Refer to Front Wheelhouse Front Liner Replacement .
22. Remove the stabilizer link nuts (1) from the two front stabilizer links.
23. Disconnect the stabilizer links from the strut assemblies.
24. Disconnect the outer tie rod ends from the steering knuckles. Refer to Steering Linkage Outer Tie Rod Replacement Steering Linkage Outer Tie Rod Replacement.
Note: Do Not disconnect the brake hoses from the calipers.
25. Remove the front brake calipers from the caliper brackets, then suspend the calipers with mechanics wire to the body.
26. Disconnect the front steering knuckles from the strut assemblies. Refer to Steering Knuckle Replacement Service and Repair.
27. Remove the heater water auxiliary pump fasteners (1), then position the pump out of the way.
28. Disconnect the front left and right wheel speed sensor connectors (1).
29. Disconnect the left wheel drive shaft from the transmission, then suspend the wheel drive shaft with mechanics wire.
30. Disconnect the right wheel drive shaft from the front wheel drive intermediate shaft, then suspend the wheel drive shaft with mechanics wire.
31. Disconnect the rear transmission mount from the rear transmission bracket.
32. Remove the rear transmission mount bracket from the transmission. Refer to Transmission Mount Bracket Replacement - Rear Transmission Mount Bracket Replacement - Rear.
33. Remove the front wheel drive intermediate shaft. Refer to Front Wheel Drive Intermediate Shaft Replacement Front Wheel Drive Intermediate Shaft Replacement.
34. Lower the vehicle.
35. Install the engine support fixture. Refer to Engine Support Fixture Engine Support Fixture.
Note: It is not necessary to remove the power inverter to gain access to the mount bolts.
36. Remove the drive unit power inverter mounting nuts and set the power inverter aside.
Note: DO NOT reuse the bolts. Discard and replace with NEW bolts only.
37. Remove the transmission mount to transmission bolts (1).
38. Disconnect the transmission fluid cooler outlet pipe from the transmission. Refer to Transmission Fluid Cooler Outlet Pipe Replacement Transmission Fluid Cooler Outlet Pipe Replacement.
39. Using suitable chains or straps, secure the front of the vehicle to the hoist arms.
40. Disconnect the wiring harnesses from the drivetrain and front suspension frame as necessary.
41. Remove the drive motor battery coolant cooler inlet and outlet hose clip retainer bolt. Refer to Drive Motor Battery Coolant Inlet Hose Replacement Drive Motor Battery Coolant Inlet Hose Replacement.
42. Using a suitable engine support table or equivalent, lower the vehicle until the drivetrain and front suspension frame contacts the engine support table.
43. Remove the drivetrain and front suspension frame reinforcements (1) from the rear of the frame.
44. Remove the front drivetrain and front suspension retaining bolts.
Note: Slightly raise the vehicle, Do Not raise the vehicle too far or damage to electrical power steering wiring harness could occur.
45. Slightly raise the vehicle off of the frame to gain access to the electric power steering connectors.
46. Disconnect the electric power steering electrical connectors from the power steering gear assembly. Refer to FEP Connectors (Steering Gear) FEP Connectors (Steering Gear).
47. Raise the vehicle off the drivetrain and front suspension frame.
48. Position a suitable transmission jack under the transmission.
Warning
Handle with care, the transmission assembly weighs over 90.7 kg (200 lbs). Bodily injury could occur if not handled properly.
49. Using a suitable straps or chains, secure the transmission to the transmission jack.
50. Disconnect the transmission electrical connectors from the transmission, then position the wiring harnesses out of the way.
51. Disconnect the ground strap from the rear of the transmission.
52. Remove the starter opening cover located below the intake manifold.
53. Remove the four torque dampener to flywheel bolts.
54. Remove the six lower transmission to engine fasteners (1).
55. Remove the transmission to engine stud.
56. Lower the transmission assembly from the vehicle.
57. Flush and flow test the transmission oil cooler and lines. Refer to Transmission Fluid Cooler Flushing and Flow Test Transmission Fluid Cooler Flushing and Flow Test.
Installation Procedure
1. Position the transmission assembly in the vehicle.
Caution: Refer to Fastener Caution Fastener Caution.
2. Install the six lower transmission to engine fasteners (1), then tighten to 80 Nm (59 lb ft).
3. Install the transmission to engine stud.
4. Install the four torque dampener to flywheel bolts, then tighten to 62 Nm (46 lb ft).
5. Install the starter opening cover, then tighten to 20 Nm (15 lb ft).
6. Connect the ground strap to the rear of the transmission.
7. Connect the transmission electrical connectors to the transmission.
8. Connect the transmission cooler outlet pipe to the transmission. Refer to Transmission Fluid Cooler Outlet Pipe Replacement Transmission Fluid Cooler Outlet Pipe Replacement.
9. Remove the transmission jack from under the transmission.
10. Position the drivetrain and front suspension frame in the vehicle.
11. Install the four front drivetrain and front suspension frame retaining bolts, then tighten to the fasteners to 160 Nm (118 lb ft).
12. Install the drivetrain and front suspension frame reinforcements (1) to the rear of the frame, then tighten the reinforcement fasteners (2) to 22 Nm (16 lb ft).
13. Connect the electric power steering electrical connectors to the power steering gear assembly.
14. Connect the transmission fluid cooler outlet pipe to the transmission. Refer to Transmission Fluid Cooler Outlet Pipe Replacement Transmission Fluid Cooler Outlet Pipe Replacement.
15. Connect the wiring harnesses from the drivetrain and front suspension frame as necessary.
16. Install the drive motor battery coolant cooler inlet and outlet hose clip retainer bolt. Refer to Drive Motor Battery Coolant Inlet Hose Replacement Drive Motor Battery Coolant Inlet Hose Replacement.
17. Install the front wheel drive intermediate shaft. Refer to Front Wheel Drive Intermediate Shaft Replacement Front Wheel Drive Intermediate Shaft Replacement.
18. Install the catalytic converter assembly (4). Refer to Catalytic Converter Replacement Service and Repair.
19. Connect the front steering knuckles to the strut assemblies. Refer to Steering Knuckle Replacement Service and Repair.
20. Connect the stabilizer link (1) to the strut assemblies. Refer to Stabilizer Shaft Link Replacement Service and Repair.
21. Install the front brake calipers to the caliper brackets. Refer to Step 2 of the installation procedure. Front Brake Caliper Replacement Front Brake Caliper Replacement.
22. Connect the outer tie rod ends to the steering knuckles. Refer to Steering Linkage Outer Tie Rod Replacement Steering Linkage Outer Tie Rod Replacement.
23. Connect the front left and right wheel speed sensor connectors (1).
24. Install the heater water auxiliary pump fasteners (1), then tighten to the fasteners to 9 Nm (80 lb in).
25. Install the heater inlet and outlet pipe to frame fasteners (1), then tighten to the fasteners to 17 Nm (13 lb ft).
26. Install the rear transmission mount bracket to the transmission. Refer to Transmission Mount Bracket Replacement - Rear Transmission Mount Bracket Replacement - Rear.
27. Connect the rear transmission mount to the rear transmission bracket.
28. Connect the right wheel drive shaft to the transmission. Refer to Transmission Rear Mount Replacement Transmission Rear Mount Replacement.
29. Connect the left wheel drive shaft to the front wheel drive intermediate shaft.
30. Install the front wheelhouse liners. Refer to Front Wheelhouse Front Liner Replacement .
31. Lower the vehicle.
32. Remove the chains or straps, securing the front of the vehicle to the hoist arms.
33. Remove the engine support fixture.
Note: DO NOT reuse the bolts, replace with NEW bolts only.
34. Install the transmission mount bolts to transmission. Tighten in the sequence shown to 50 Nm (37 lb ft) plus 50 degrees.
35. Perform the powertrain mount balancing. Refer to Powertrain Mount Balancing Procedures.
36. Install the drive unit power inverter mounting nuts and tighten to 9 Nm (80 lb in).
37. Remove the engine support fixture.
38. Install the three upper bell housing fasteners (1), then tighten to 80 Nm (59 lb ft).
Note: Start the three phase cable fasteners by hand.
39. With NEW connector housing and fastener seals, install the three-phase cables and tighten the fasteners (1) to 9 Nm (80 lb in).
40. Connect the auxiliary transmission fluid pump electrical connectors (1).
41. Install the transmission fluid cooler inlet pipe to the transmission then tighten the fastener (1) to 22 Nm (16 lb ft).
42. Fill the transmission with transmission fluid. Refer to Transmission Fluid Drain and Fill Transmission Fluid Drain and Fill.
43. Install the shift control cable bracket to the transmission, then tighten the fasteners (1) to 22 Nm (16 lb ft).
Warning
Hold the transmission range selector lever while removing or installing the lever retaining nut. Failure to hold the lever can cause damage to the transmission internal park system components which could allow the vehicle to roll when placed in the park position.
44. Install the transmission range selector lever (2).
45. Install the transmission range selector lever nut (1) and tighten to 22 Nm (16 lb ft).
46. Connect the transmission range selector lever cable terminal (1) to the transmission manual pin.
47. Press the locking tab (1) rearward in order to lock the transmission range selector lever cable (2) to the cable bracket.
48. Connect the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement Intermediate Steering Shaft Replacement.
49. Install the lower front bumper fascia fasteners.
50. Install the front wheelhouse liners. Refer to Front Wheelhouse Front Liner Replacement .
51. Install the front tire and wheels on the vehicle. Refer to Tire and Wheel Removal and Installation Removal and Replacement.
52. Remove the mechanics wire securing the radiator assembly to the radiator core support.
53. Install the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement Air Cleaner Resonator Outlet Duct Replacement.
54. Enable the high voltage system. Refer to High Voltage Enabling High Voltage Enabling.
55. Connect the negative battery cable to the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
56. Program the control solenoid valve and transmission control module assembly. Refer to Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (4ET50) 4ET50 - Automatic Transmission.