FUEL INJECTION (FUEL SYSTEMS)(H4DOTC) > Intake Manifold

REMOVAL

1. Set the vehicle on a lift.

2. Remove the V-belt covers.

3. Collect the refrigerant from A/C system.

4. Release the fuel pressure.

5. Disconnect the ground cable from battery.

6. Open the fuel filler lid and remove the fuel filler cap.

7. Lift up the vehicle.

8. Remove the under cover.

9. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of engine coolant.

10. Remove the air intake duct.

11. Remove the air intake boot.

12. Remove the intercooler.

13. Remove the generator.

14. Remove the coolant filler tank.

15. Disconnect the A/C pressure hoses from A/C compressor.

16. Disconnect the vacuum hose from the PCV connector.

17. Remove the bolts which secure the air by-pass pipe and PCV pipe to the intake manifold, and loosen the clamp which connects the throttle body and intake duct.

18. Remove the intake duct from the throttle body.

19. Disconnect the engine coolant hose from throttle body.

20. Disconnect the brake booster vacuum hose.

• LHD model

• RHD model

21. Disconnect the PCV hose from the rocker cover.

22. Disconnect the air control hose (A) from the wastegate actuator, and loosen the clamp that holds the turbocharger on the intake duct.

• Except for WRX-SS model

• WRX-SS model

23. Disconnect the bulkhead harness connectors from the engine harness connectors.

• LHD model

• RHD model

24. Remove the engine harness connector from the engine harness bracket.

• LHD model

• RHD model

25. Disconnect the connectors from the engine coolant temperature sensor (A), oil pressure switch (B) and crankshaft position sensor (C).

26. Disconnect the connector from power steering pump switch.

27. Disconnect the knock sensor connector.

28. Disconnect the connector from the secondary air combination valve.

29. Disconnect the connector from camshaft position sensor.

30. Disconnect the connector from the oil flow control solenoid valve.

31. Disconnect the air duct from the secondary air pump, and remove the bolts that install the air duct on the rocker cover LH.

32. Disconnect the connector from ignition coil.

33. Remove the clip (A) which holds the engine harness to rocker cover RH.

34. Disconnect the fuel delivery hose, fuel return hose and evaporation hose.

CAUTION:

• Be careful not to spill fuel.

• Catch the fuel from hoses using a container or cloth.

(A)

Fuel delivery hose

(B)

Fuel return hose

(C)

Evaporation hose

35. Remove the intake manifold from cylinder head.