Impreza WRX STI F4-2.5L DOHC Turbo (2007)
11. Remove the V-belt covers.
12. Disconnect the overflow hose.
13. Remove the reservoir tank.
14. Disconnect the radiator inlet hose (A) and water tank hose (B) from radiator.
15. Remove the radiator upper brackets.
16. While lifting the radiator up, slide it to the left.
17. Lift-up the radiator, and then remove it from vehicle.