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Home >> Subaru >> 2004 >> Impreza RS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H4SO) >> Intake Manifold >> Installation

Intake Manifold: Installation

  1. Install the intake manifold onto the cylinder heads.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.1 ft-lb) 

    Fig 1: Installing Intake Manifold Onto The Cylinder Heads
    G00800482Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the fuel hoses.
    Fig 2: Connecting The Fuel Hoses
    G00800483Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the engine ground terminal to ground stay.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 13.7 ft-lb) 

    Fig 3: Connecting The Engine Ground Terminal To Ground Stay
    G00800484Courtesy of SUBARU OF AMERICA, INC.
  4. Connect the connector to the camshaft position sensor.
    Fig 4: Connecting The Connector To The Camshaft Position Sensor
    G00800485Courtesy of SUBARU OF AMERICA, INC.
  5. Connect the connector to the oil pressure switch.
    Fig 5: Connecting The Connector To The Oil Pressure Switch
    G00800486Courtesy of SUBARU OF AMERICA, INC.
  6. Connect the connector to the crankshaft position sensor.
    Fig 6: Connecting The Connector To The Crankshaft Position Sensor
    G00800487Courtesy of SUBARU OF AMERICA, INC.
  7. Connect the knock sensor connector.
    Fig 7: Connecting The Knock Sensor Connector
    G00800488Courtesy of SUBARU OF AMERICA, INC.
  8. Connect the connectors to the engine coolant temperature sensor.
    Fig 8: Connecting The Connectors To The Engine Coolant Temperature Sensor
    G00800489Courtesy of SUBARU OF AMERICA, INC.
  9. Install the air cleaner case stay RH and engine harness bracket, and connect the engine harness connectors to the bulkhead connectors.
    Fig 9: Installing Air Cleaner Case Stay (RH Side) & Engine Harness Bracket
    G00800490Courtesy of SUBARU OF AMERICA, INC.
  10. Connect the brake booster hose.
    Fig 10: Connecting The Brake Booster Hose
    G00800491Courtesy of SUBARU OF AMERICA, INC.
  11. Connect the engine coolant hose (A) to the throttle body.
    Fig 11: Connecting The Engine Coolant Hose (A) To The Throttle Body
    G00800492Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the PCV hose to the intake manifold.
    Fig 12: Connecting The PCV Hose To The Intake Manifold
    G00800493Courtesy of SUBARU OF AMERICA, INC.
  13. Connect the spark plug cords to the spark plugs.
  14. Install the power steering pump and reservoir tank to bracket.
    1. Install the reservoir tank to bracket.
      Fig 13: Installing Reservoir Tank To Bracket
      G00800494Courtesy of SUBARU OF AMERICA, INC.
    2. Connect the connector to the power steering pump switch.
      Fig 14: Connecting The Connector To The Power Steering Pump Switch
      G00800495Courtesy of SUBARU OF AMERICA, INC.
    3. Tighten the bolts which install power steering pump bracket.

      Tightening torque: 

      22 N.m (2.2 kgf-m, 15.9 ft-lb) 

      Fig 15: Tightening Bolts At Power Steering Pump Bracket
      G00800496Courtesy of SUBARU OF AMERICA, INC.
    4. Install the power steering pipes onto the right side intake manifold protector.
      Fig 16: Installing Power Steering Pipes Onto The Right Side Intake Manifold Protector
      G00800497Courtesy of SUBARU OF AMERICA, INC.
    5. Install the front side V-belt. < Ref. to INSTALLATION , V-belt. >
    6. Install the resonator chamber. < Ref. to INSTALLATION , Resonator Chamber. > .
  15. Connect the accelerator cable (A).
  16. Connect the cruise control cable (B). (Model with cruise control)
    Fig 17: Identifying Accelerator Cable & Cruise Control Cable
    G00800498Courtesy of SUBARU OF AMERICA, INC.
  17. Install the air intake duct and air cleaner case.

    < Ref. to INSTALLATION , Air Intake Duct.>

    < Ref. to INSTALLATION , Air Cleaner Case.>

  18. Connect the connector to the fuel pump relay.
    Fig 18: Connecting Connector To Fuel Pump Relay
    G00800499Courtesy of SUBARU OF AMERICA, INC.
  19. Connect the battery ground cable to battery.
    Fig 19: Connecting Battery Ground Cable To Battery
    G00800500Courtesy of SUBARU OF AMERICA, INC.