Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
2. Install the spline shaft until the spline portion is inside the side oil seal using ST.
ST 28099PA090 SIDE OIL SEAL PROTECTOR
3. Remove ST.
ST 28099PA090 SIDE OIL SEAL PROTECTOR
13. Hereafter, reassemble in the reverse order of disassembly.
14. Fill differential carrier with gear oil to the filler plug level.