Legacy Outback Limited AWD F4-2.5L DOHC (1998)
5) Disconnect connector from idle air control solenoid valve.
6) Disconnect PCV hose (A) and pressure regulator vacuum hose (B).
7) Disconnect vacuum hose (C) from cruise control diaphragm. (With cruise control models)
8) Disconnect air by-pass hose from idle air control solenoid valve.
9) Remove bolts which install idle air control solenoid valve to throttle body.
10) Disconnect engine coolant hoses from idle air control solenoid valve, and take them off.