Changing the oil in an 8-speed automatic transmission Aisin
Tools and materials:
* Automatic transmission oil (check the recommended type for your vehicle)
* Automatic transmission filter
* Automatic transmission pan gasket
* O-rings for filter housing
* Funnel and tube
* Pliers
* Torque wrench
* Socket wrenches or sockets
* Retaining ring remover
Procedure:
Lifting the car
* Raise the car on a lift or using jacks.
* Install supports for safety.
Oil drain
* Locate the transmission pan, usually located at the bottom of the transmission.
* Place the drain pan under the automatic transmission pan.
* Unscrew the drain plug. Drain the old oil into the pan.
* Clean the drain plug and reinstall it with a new gasket.
Removing the automatic transmission pan
* Unscrew the bolts securing the automatic transmission pan.
* Carefully remove the tray. Drain off any remaining oil.
* Clean the tray and magnets from metal particles.
Replacing the automatic transmission filter
* Locate the automatic transmission filter housing, usually located in the pan.
* Use pliers to remove the cotter pin holding the filter housing in place.
* Pull out the filter housing.
*Remove the old filter and replace it with a new one.
* Lubricate the O-rings and reinstall the filter housing.
* Install a new cotter pin.
Installing the automatic transmission pan gasket
* Remove the old automatic transmission pan gasket.
* Apply sealant to the new gasket and install it on the pan.
Automatic transmission pan installation
* Place the pan back on the transmission.
* Tighten the pan mounting bolts using a torque wrench to the specified torque.
Filling with new oil
* Locate the automatic transmission filler hole, usually located on the side of the transmission.
*Use a funnel and tube to pour new oil into the transmission.
* Fill in the specified amount of oil.
Checking the oil level
* Start the engine and allow it to warm up to operating temperature.
* Switch the automatic transmission selector to all positions and return to parking mode.
* Pull out the automatic transmission oil dipstick and check the level. It should be between the “cold” and “hot” marks.
Disconnect the negative battery terminal
* Disconnect the negative terminal of the battery for 10 minutes. This will reset the transmission adaptations.
Battery Installation
* Connect the negative terminal of the battery.
Installation of inspection hatch
* Install a new inspection hatch on the automatic transmission pan.
Removing traces of sealant
* Clean traces of sealant from the gearbox housing and other parts.
Test drive
* Drive the car and check the operation of the automatic transmission.