Stages of overhaul of automatic transmission
1. Diagnostics
* Visual inspection of the gearbox and surrounding components.
* Scan fault codes.
* Checking the level and condition of the transmission fluid.
* Test drive to evaluate the performance of the gearbox.
2. Removing the gearbox
* Disconnection from engine, transmission and other components.
* Removal from the vehicle.
3. Disassembly
* Disassemble the transmission into individual components, including housing, shafts, gears, differential and hydraulic unit.
4. Cleaning and inspection
* Clean all components from dirt and metal shavings.
* Inspect parts for wear, damage or cracks.
5. Replacement of worn parts
* Replace worn gears, bearings, seals and other components as necessary.
6. Assembly
* Reassemble the gearbox components in reverse order.
* Torque all bolts and nuts to manufacturer specifications.
7. Installation
* Installing the gearbox in the car.
* Connection to engine, transmission and other components.
8. Refilling with transmission fluid
* Filling the transmission with the correct type and amount of transmission fluid.
9. Testing
* Test drive to evaluate the performance of the repaired gearbox.
* Check for leaks and correct gear shifting.
10. Adjustment and calibration
* If necessary, adjust or calibrate the transmission to ensure optimal performance.
Additional Considerations
* It is important to use high quality parts and transmission fluid recommended by the manufacturer.
* Automatic transmission repairs must be performed by a qualified mechanic.
* After repairing the gearbox, it is necessary to run-in for 500-1000 km.