AUTOMATIC TRANSMISSION(4AT) > General Description

CAUTION

Wear appropriate work clothing, including a cap, protective goggles and protective shoes when performing any work.

Remove contamination including dirt and corrosion before removal, installation or disassembly.

Keep the disassembled parts in order and protect them from dust and dirt.

Do not place the oil pan side facing up until the oil pan is removed, to prevent intrusion of foreign matter into the valve body.

Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, installation, disassembly and replacement.

When disassembling the case and other light alloy parts, use a plastic hammer to force it apart. Do not pry apart with screwdrivers or other tools.

Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.

Use SUBARU genuine gear oil, SUBARU genuine ATF and specified grease. Do not mix gear oil, grease, etc. of different grades or manufacturers.

Be sure to tighten bolts and nuts to the specified torque.

Place lifts, shop jacks or rigid racks at the specified points.

Before installation, apply ATF or gear oil to sliding or rotating surfaces of the part, according to its application.

Replace deformed or damaged snap rings with new parts.

Before installing O-rings or oil seals, apply sufficient amount of ATF fluid to avoid damage and deformation.

Be careful not to incorrectly install or fail to install O-rings, snap rings and other such parts.

Before securing a part on a vise, place cushioning material such as wood blocks, aluminum plate, or cloth between the part and the vise.

Avoid damaging the mating surface of the case.

Before applying liquid gasket, completely remove the liquid gasket.

When disassembling the AT, be sure to use nylon gloves and paper towels. Do not use cloth gloves or waste cloth.