Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual - part 491
DI-9
General Description
DIFFERENTIALS
C: 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.
• Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, in-
stallation, disassembly and replacement.
• Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
• Use SUBARU genuine gear oil, grease. Do not mix gear oil, grease, etc. of different grades or manufac-
turers.
• Be sure to tighten fasteners including bolts and nuts to the specified torque.
• Place shop jacks or rigid racks at the specified points.
• Apply gear oil onto sliding or revolving surfaces before installation.
• Before installing the O-ring or snap ring, apply a sufficient amount of gear oil to avoid damage and defor-
mation.
• 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.
D: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
398477702
DRIFT
Used for installing the front bearing race.
398217700
ATTACHMENT SET
Stand for rear differential carrier disassembly
and assembly.
498447120
INSTALLER
Used for installing the front oil seal.
ST-398477702
ST-398217700
ST-498447120