Impreza WRX STI F4-2.5L Turbo (2008)
21. Disconnect the connectors from the engine coolant temperature sensor (A), oil pressure switch (B) and crankshaft position sensor (C).
22. Disconnect the connector from power steering pump switch.
23. Disconnect the knock sensor connector.
24. Disconnect the connector from the secondary air combination valve.
25. Disconnect the connector from the intake camshaft position sensor.
