Impreza F4-2.5L SOHC (2003)
Fluid Filter - A/T: Service and Repair
ATF Filter
REMOVAL
NOTE: ATF filter is a maintenance free part.
1) Lift up the vehicle.
2) Using the ST, remove the ATF filter.
ST 498545400 OIL FILTER WRENCH
3) Use a new ATF filter and apply a thin coat of ATF to the oil seal.
INSTALLATION
1) Install the ATF filter. Turn it by hand, being careful not to damage the oil seal.
2) Using the ST, tighten the ATF filter to transmission case.
Calculate the tightening torque for the ATF filter using the following formula.
T2 = L2/(L1 + L2) x T1
T1: 14 Nm (1.4 kgf-m, 10.1 ft. lbs.) [Required torque setting]
T2: Tightening torque:
L1: ST length 0.078 m (3.07 inch)
L2: Torque wrench length
Example:
CAUTION: Align the ST with torque wrench while tightening ATF filter.
ST 498545400 OIL FILTER WRENCH
3) Add ATF.
4) Check the level of ATF.
INSPECTION
If abnormality is found during inspection, replace it. Check for rust, gouges, ATF leak and other damage.