Automatic Transmission Fluid: Replacement

Replacement of automatic transmission fluid
1. Lift up the vehicle and maintain in a horizontal position. [Preparatory Code #1]
2. Remove the under cover front AL. (Refer to REMOVAL )
3. Remove the under cover COMPL T/M. (Refer to REMOVAL )
4. Remove the drain plug and gasket to drain fluid. [Preparatory Code #2]
5. Temporarily tighten the drain plug via the gasket. [Preparatory Code #3]
  NOTE: Perform the replacement of the gasket and final tightening by following procedure [*16].
6. Remove the refill plug and the O-ring. [Preparatory Code #4]
7. Use a socket hexagon wrench to remove the overflow plug. [Preparatory Code #5]
  
  Fig 1: Locating Refill Plug And O-Ring
  Courtesy of SUBARU OF AMERICA, INC.
8. Add fluid through the refill hole until the fluid flows out of the overflow tube. [Preparatory Code #6]
  CAUTION:
  - Fill in auto fluid WS.
  - Slowly add the fluid. Adding the fluid rapidly can cause the fluid to hit internal parts and splash around resulting in fluid flowing out of the refill hole.
  Fig 2: Adding Fluid Through Refill Hole Until Fluid Flows Out Of Overflow Tube
  Courtesy of SUBARU OF AMERICA, INC.
9. Wait until the fluid stops flowing and is only dripping. [Preparatory Code #7]
10. Use a socket hexagon to temporarily tighten the overflow plug via the gasket. [Preparatory Code #8]
  NOTE: Perform the replacement of the gasket and final tightening after adjusting the fluid amount.
11. Add fluid through the refill hole until reaching the specified amount when removing/installing the oil pan. [Preparatory Code #9]
  Specified amount: 2.0 L {2.1 US qt, 1.8 lmp qt}
  
  NOTE: If fluid flows out from the refill hole and you cannot fill the specified amount when adding fluid through the refill hole, perform procedures [*10] to [*15] below in order to circulate fluid until it reaches the oil passages in the transmission and inside the torque converter, then add the specified amount of fluid through the refill hole.
12. Temporarily tighten the refill plug via the O-ring. [Preparatory Code #10]
  NOTE: Perform the replacement of the O-ring and final tightening after adjusting the fluid amount.
13. Lower the vehicle. [Preparatory Code #11]
14. Start the engine. [Preparatory Code #12]
  NOTE: Start the engine with the A/C turned OFF.
15. Move the select lever from P position to M position slowly, and shift it to P position again. [Preparatory Code #13]
16. Idle the engine for 30 seconds to warm up the engine. [Preparatory Code #14]
17. Turn the ignition switch to OFF. [Preparatory Code #15]
18. Repeat operations [*1] to [*15].
19. Perform operations [*1] to [*2].
20. Install the drain plug via a new gasket. [Preparatory Code #16]
  Standard value: T=20N.m {204kgf.cm} {14.8ft.lbf}
21. Perform operations [*4] to [*11].
22. Adjust the fluid amount. (Refer to ADJUSTMENT )
23. Install the under cover COMPL T/M. (Refer to INSTALLATION )
24. Install the under cover front AL. (Refer to INSTALLATION )
25. Lower the vehicle.
26. Operation finished.