Materials:
* Oil for automatic transmission Toyota WS (about 7 liters)
* Automatic transmission pan gasket
* Automatic transmission filter
* Universal gasket for bolt washers
* Sealant for automatic transmission pan
Tools:
* Set of keys
* Torque wrench
* Pliers for removing clamps
* Lift or jacks
The procedure for a complete oil change in a Lexus IS250 automatic transmission:
1. Raise and secure the vehicle: Raise the vehicle on a lift or place it on jack stands. Make sure it is stable.
2. Drain the oil from the automatic transmission:
— Find the automatic transmission pan under the car.
— Place a container under the drain pan.
— Unscrew the drain plug bolts and drain the oil into a container.
— Allow the oil to drain completely.
3. Remove the automatic transmission pan:
— Unscrew the bolts securing the automatic transmission pan.
— Remove the pan and gasket.
— Clean the tray and magnets from metal shavings and deposits.
4. Replace the automatic transmission filter:
— Determine the location of the automatic transmission filter inside the pan.
— Unscrew the bolts securing the filter.
— Remove the old filter and install a new one.
— Tighten the filter bolts.
5. Install the automatic transmission pan gasket:
— Apply a thin layer of sealant to the new pan gasket.
— Install the gasket on the automatic transmission pan.
6. Install the automatic transmission pan:
— Raise the automatic transmission pan and tighten the bolts. Use a torque wrench and follow the tightening instructions.
7. Fill the automatic transmission with new oil:
— Find the automatic transmission filler plug.
— Fill in new Toyota WS oil through the filler plug.
— The volume of oil added should be about 7 liters.
8. Start the engine and check the oil level:
— Start the engine and let it idle.
— Shift the gear selector through all positions and return to the park position.
— Check the oil level through the inspection hole on the automatic transmission dipstick.
— Add oil if necessary.
9. Resetting the automatic transmission oil aging counter:
— Connect the scanner to the OBD-II diagnostic port.
— Reset the automatic transmission oil aging counter according to the scanner instructions.
10. Drive the car and check:
— Drive the car and check the operation of the automatic transmission.
— Make sure there are no leaks and that the gearbox shifts smoothly.
Additional tips:
* It is recommended to change the automatic transmission oil and filter every 60,000-90,000 km.
* Use only Toyota WS transmission oil recommended for this transmission.
* Tighten the bolts to the correct torque.
* Dispose of used oil and filter in accordance with local environmental regulations.