Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Seals and Gaskets: Service and Repair
Output Shaft Oil Seal
Oil Seal
INSPECTION
Inspect for oil leakage from the oil seal. Replace the oil seal if the lips is deformed, hardened, damaged, worn or defective if any.
REPLACEMENT
1) Clean the transmission exterior.
2) Drain the gear oil completely.
NOTE:
^
Tighten the drain plug after draining gear oil.
^
Use a new gasket.
3) Remove the rear exhaust pipe and muffler.
4) Remove the propeller shaft.
5) Using the ST, remove the oil seal.
ST 398527700 PULLER ASSY
6) Using the ST, install the oil seal.
ST 498057300 INSTALLER