Required tools and materials:
* New Toyota Type T-IV or WS gear oil (approx. 4 l)
* New automatic transmission oil filter
* Automatic transmission pan gasket
* Screwdriver with 10 mm head
* Long nose pliers
* Funnel
* Rags or paper towels
Procedure:
1. Prepare the car:
* Place the vehicle on a level surface with the parking brake engaged.
* Let the engine run for a few minutes to allow the automatic transmission oil to warm up.
* Stop the engine.
2. Drain the old oil:
* Locate the drain plug on the automatic transmission pan. It is located at the rear of the tray.
* Place the drain pan under the drain plug.
* Loosen the drain plug using a 10mm screwdriver and drain the oil.
3. Replace the oil filter:
* Unscrew the bolts securing the automatic transmission pan and carefully remove the pan.
* Find the automatic transmission oil filter and disconnect it from the housing.
* Install the new oil filter and tighten it by hand.
* Attach the automatic transmission pan in place and tighten the bolts.
4. Install a new pan gasket:
* Remove the old automatic transmission pan gasket.
* Clean the surfaces of the pan and body of old sealant and oil.
* Apply a thin layer of new automatic transmission sealant to the new gasket.
* Install a new gasket on the automatic transmission pan.
5. Fill with new fluid:
* Find the dipstick for measuring the automatic transmission fluid level. It is located on the side of the transmission.
* Pull out the dipstick and wipe it with a clean cloth.
* Insert the dipstick back and pull it out again. Check the fluid level — it should be between the «Hot» and «Cold» marks.
*If the level is low, add new fluid using a funnel.
*Repeat the steps until the level is correct.
6. Reset the service counter for the transmission:
* Turn on the ignition, but do not start the engine.
* Press the brake pedal and hold it for 10 seconds.
* Turn off the ignition.
* Press and hold the odometer reset button (usually located on the instrument panel).
* Turn on the ignition while continuing to hold the reset button.
* Wait until the automatic transmission oil change indicator lights up.
* Release the reset button and press it again.
* The indicator will turn off, indicating that the transmission service counter has been reset.
7. Start the engine and check:
* Start the engine and let it run for a few minutes, shifting through all gears.
* Check the automatic transmission fluid level again to make sure it is within the normal range.
* Monitor for any leaks or problems with the automatic transmission over the next few days.