Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
Fluid - Differential: Fluid Type Specifications
Manual Transmission
Gear Oil (Front Diff. Included) ................................................................................................................................................................. API Class (GL-5)
SAE Viscosity (0 to 104 deg.F and above) .............................................................................................................................................................. 90 SAE
Front/Rear Differential
Fluid Used in (Final Reduction) ................................................................................................................................................................ API Class (GL-5)
Front Differential SAE Viscosity
-22 to 104 deg.F and above ........................................................................................................................................................................................... 85W
86 to -22 deg.F and lower .............................................................................................................................................................................................. 80W
-22 deg.F and below to 104 deg.F and above ........................................................................................................................................................... 80W-90
Rear Differential SAE Viscosity
86 to -22 deg.F and lower .............................................................................................................................................................................................. 80W
-22 and below to 104 deg.F and above ..................................................................................................................................................................... 75W-90
Note: Use the fluids specified. Do not mix two different kinds or makes of fluid.