Required tools and materials:
* Wrench set
* Screwdriver set
* Torque converter puller
* Container for draining liquid
* New oil pan gasket
* New automatic transmission oil
Steps:
1. Preparation
* Make sure that the vehicle is on a level surface and that wheel chocks are installed under the rear wheels.
* Disconnect the battery.
* Drain the automatic transmission fluid into a container.
2. Removing the automatic transmission
* Disconnect the electrical wiring connector from the gearbox.
* Disconnect the shift cables.
* Remove the starter.
* Unscrew the bolts securing the automatic transmission supports.
* Remove the bolts securing the torque converter to the engine flywheel.
*Use a torque converter puller to remove the torque converter from the transmission.
* Raise the transmission using a lift or transmission jack.
* Remove the remaining bolts securing the transmission to the engine.
* Carefully remove the transmission from the vehicle.
3. Installation of a new automatic transmission
* Clean the interface between the engine and transmission.
* Install a new gasket on the transmission oil pan.
* Place the gearbox on the engine and secure it with bolts.
* Install the torque converter and secure with bolts.
* Connect the shift cables.
* Connect the starter.
* Connect the electrical wiring connector to the gearbox.
* Fill in new automatic transmission oil through the filler plug.
4. Check and refuel
* Start the engine and let it idle.
* Shift the gearshift lever to all positions and check for noise or vibration.
* Check the automatic transmission fluid level and add if necessary.
5. Final check
* Drive the car for several kilometers and check the operation of the gearbox.
* Repair any faults or leaks.
* Install the battery.