Automatic Transmission Fluid: Inspection

CAUTION:

The level of ATF varies with fluid temperature. Pay attention to the ATF temperature when checking ATF level.
If the ATF is spilt over exhaust pipe, wipe it off with cloth to avoid emitting smoke or causing a fire.

Raise the ATF temperature by driving a distance of 5 to 10 km (3 to 6 miles). Otherwise, idle the engine to raise ATF temperature to 70 - 80°C (158 - 176°F) on Subaru Select Monitor. < Ref. to OPERATION , Read Current Data. >
Make sure the vehicle is level.
After selecting all positions (P, R, N, D), set the select lever in "P" range. Idle the engine for 1 or 2 minutes, and measure the ATF level.

Fig 1: ATF Level Gauge And ATF Level
Courtesy of SUBARU OF AMERICA, INC.
Make sure that ATF level is the center of upper and lower level at "HOT" side.
NOTE: The level is above the middle point between upper and lower when the transmission is hot, or below the middle point when the transmission is cool.
If the ATF level is below the center between upper and lower level, add the recommended ATF until the fluid level is found above the center between upper and lower level.
CAUTION:
- Be careful not to exceed the upper level limit.
- Adding ATF to the upper limit mark on "HOT" side when the ATF temperature is less than 70°C (158°F) will overfill of ATF and cause a transmission failure.
Check ATF level after raising ATF temperature to 70 - 80°C (158 - 176°F) by driving the vehicle for 5 - 10 km (3 - 6 miles) or by idling the engine.
Check the ATF for leaks.

If there are leaks, it is necessary to repair or replace gaskets, oil seals, plugs or other parts.