Impreza WRX STI F4-2.5L Turbo (2008)
9) Remove the oil seal using ST.
ST 398527700 PULLER ASSY
10) Install a new side oil seal using the ST.
NOTE: Apply differential gear oil to the oil seal lips.
ST 398437700 DRIFT
11) Insert the DOJ into rear differential.
(1) Attach the ST to rear differential.
ST 28099PA090 OIL SEAL PROTECTOR
(2) Insert the spline shaft until the spline portion comes inside the side oil seal.
