Required materials:
* New automatic transmission compatible with your Toyota Corolla model.
* Torque converter (if it is not included with the automatic transmission).
* New automatic transmission oil pan.
* New automatic transmission filter.
* Transmission fluid (ATF).
* Set of automatic transmission gaskets.
* New propeller shaft flange bolts.
* Cardan shaft seal.
*Transmission repair tools:
* Socket wrenches
* Spanners
* Hexagons
* Screwdrivers
* Jack
* Stands
Instructions:
1. Preparing for installation
* Disconnect the negative terminal of the battery.
* Raise the car on stands.
* Drain the oil from the manual transmission and remove it.
2. Automatic transmission installation
* Install a new automatic transmission in place of the manual transmission.
* Tighten the automatic transmission mounting bolts.
* Install the torque converter to the engine flywheel.
* Secure the driveshaft flanges to the flanges of the automatic transmission and rear axle gearbox using new bolts.
* Replace the propeller shaft seal.
3. Installing the oil pan and filter
* Remove the old automatic transmission oil pan and clean the joint surfaces.
* Install a new oil pan gasket and secure the pan.
* Remove the old automatic transmission filter and install a new one.
4. ATF filling
* Fill the specified amount of ATF into the automatic transmission through the filler hole.
* Check ATF level and add if necessary.
5. Electrical wiring connection
* Connect the wiring harness to the automatic transmission.
* Connect the negative terminal of the battery.
6. Testing
* Start the engine and let it idle for a few minutes.
* Switch the automatic transmission selector to different positions and check the smoothness of gear shifting.
* Check for ATF leaks.
7. Completion
* Lower the vehicle to the ground.
* Reset fault codes if any.
*Check the ATF level again after driving for some time and top it up if necessary.
Note:
* Installing an automatic transmission instead of a manual transmission may require modification of parts, such as:
* Cardan shaft
* Automatic transmission mounting bracket
*Engine mount
*Be sure to consult a qualified mechanic if you are not experienced in servicing transmissions.
*The complexity and complexity of installation may vary depending on the specific Toyota Corolla model.