• 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.

• 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, grease or equivalent. 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 specified locations.

• Apply gear oil onto sliding or revolving surfaces before installation.

• Replace deformed or damaged snap rings with new parts.

• Before installing O-rings or oil seals, apply sufficient amount of gear oil 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 old liquid gasket.