Replacing a manual transmission with an automatic transmission in a Toyota car
Car requirements:
*Working engine and transmission
* Compatible automatic transmission and transfer (if required)
*Required tools and parts
Tools and materials:
* Wrenches and ratchets of various sizes
* Screwdrivers
* Drive shaft pullers
* Transmission centering tools
* Transmission sealant
* New automatic transmission oil and filter
* Electrical connectors and wiring harnesses (if necessary)
* Possibly a new driveshaft (if necessary)
Replacement steps:
1. Preparation
* Provide a safe work environment.
*Remove the car battery.
* Pump out the oil from the manual transmission.
2. Removing the manual transmission
* Disconnect all electrical connectors, vacuum hoses and mechanical connections.
* Remove the driveshaft (if equipped).
* Remove the starter.
* Disconnect the clutch cable and hydraulic lines (if equipped).
* Loosen the transmission to the engine and body.
* Carefully lower the manual transmission using a jack or lift.
3. Automatic transmission installation
* Prepare the automatic transmission by installing a new filter and filling with clean oil.
* Center the automatic transmission with the engine and body.
* Tighten the transmission mounts.
* Install the starter.
* Connect the driveshaft (if equipped).
4. Connection
* Connect all electrical connectors, vacuum hoses and mechanical connections.
* Install the gear shift lever.
* If necessary, install new wiring harnesses for automatic transmission control.
5. Completion
* Fill the automatic transmission with oil according to specifications.
* Connect the battery.
* Perform a test run and check the operation of the automatic transmission.
* If necessary, calibrate the gear shift lever.
Notes:
* The difficulty of replacement largely depends on the specific Toyota model.
* A new driveshaft may be required if the existing driveshaft is not the same length as the new automatic transmission.
* Some Toyota vehicles may require reprogramming of the engine ECU for compatibility with the automatic transmission.
* It is recommended to have the replacement done by a professional auto repair shop unless you have the relevant knowledge and experience.