Manual Transmission Oil: Replacement

Drain of manual transmission oil
1. Park the vehicle on a level road.
2. Remove the transmission filler plug and the gasket.
  
  Fig 1: Locating Transmission Filler And Drain Plugs
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove the transmission drain plug and gasket to drain oil.
Fill of manual transmission oil
1. Install the transmission drain plug via a new gasket.
  Standard value: T=37N.m {377kgf.cm} {27.3ft.lbf}
2. Pour oil until it overflows from the filler plug hole.
  Oil amount (reference): 2.2 L {0.6 US gal, 0.5 lmp gal}
  
  Recommended product: MG GEAR OIL SPECIAL-II (API GL-3, SAE 75W-90)
  
  Substitute product: GL-3 or later (75W-90)
  CAUTION:
  - When using the substitute product for transmission gear oil, the function and performance may be inferior.
  - Do not mix different oils.
Check of manual transmission oil
1. Check that oil is filled to the level between 0 and 5 mm {0 to 0.197 in} from the bottom of the transmission filler plug hole.
  CAUTION:
  - Excess or shortage of oil may lead to trouble.
  - Check the oil amount after driving.
2. Install the transmission filler plug via a new gasket.
  Standard value: T=37N.m {377kgf.cm} {27.3ft.lbf}
  
  CAUTION: Thoroughly wipe away the spilled oil.
  
  Fig 2: Checking Manual Transmission Oil Level
  Courtesy of SUBARU OF AMERICA, INC.
Check of manual transmission oil leakage