Impreza WRX STI F4-2.5L Turbo (2008)
17. Disconnect the engine coolant hoses from the throttle body.
18. Disconnect the brake booster vacuum hose (A) and pressure regulator vacuum hose (B) from the intake manifold.
19. Disconnect the air control hose (A) from the waste gate actuator, and loosen the clamp which holds the turbocharger to the intake duct.
20. Disconnect the engine harness connectors from the bulk head harness connector.
