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Automatic Transmission Fluid: Inspection

CAUTION: The level of ATF varies with fluid temperature. Pay attention to the ATF temperature when checking ATF level.
  1. Raise the ATF temperature by driving a distance of 5 - 10 km (3 - 6 miles). Otherwise, idle the engine to raise ATF temperature to 70 - 80°C (158 - 176°F) on Subaru Select Monitor. Refer to OPERATION , Read Current Data.
  2. Make sure the vehicle is level.
  3. 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: Identifying ATF Level Gauge
    G05953626Courtesy of SUBARU OF AMERICA, INC.
  4. Make sure that ATF level is between the upper level and lower level on the "HOT" side.
  5. If the ATF level is below the mid level between upper and lower marks, add the recommended ATF until the fluid level is above mid level.
    CAUTION:
    • Be careful not to exceed the upper level.
    • Do not fill up to the upper level on the "HOT" side when the ATF temperature is less than 70°C (158°F) as overfilling can cause problems.
  6. Check the ATF level after raising ATF temperature to 70 - 80°C (158 - 176°F) by driving the vehicle another 5 - 10 km (3 - 6 miles) or by idling the engine again.
  7. Check that there are no ATF leaks.

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