Subaru Automatic Transmission Fluid- Idemitsu ATF Hp

For automatic transmissions, Subaru recommends using Subaru ATF Idemitsu ATF hp "Dexron iii" type automatic transmission fluid. It is recommended to change Your transmission fluid every 80,000 miles.HP is a different grade of automatic transmission fluid than Dexron III, but both are conventional. Use of conventional or synthetic is up to the owner but Subaru always uses conventionalAs per recommended by Subaru, the transmission fluid should be inspected every 30,000 miles and depending on the condition, it may need to be changed out. The condition of the fluid depends on a variety of factors such as driving conditions, use of vehicle, and how many miles are on it If you tow, or do mostly city driving with constant changes of gears, it may be wise to change your ATF even more often.
Signs of Low Transmission Fluid

• Warning light.
• Transmission overheating.
• Difficulty in shifting gears.
• Transmission fluid leakage.
• Generation of unusual sounds.
• Transmission slipping problems.