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Home >> Subaru >> 2007 >> Impreza Outback Sport, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4SO) >> Intake Manifold >> Assembly

Intake Manifold: Assembly

NOTE: When assembling the nipple, apply liquid gasket.

Liquid gasket: 

THREE BOND 1105 (Part No. 004403010) 

  1. Tighten the bolts which install fuel pipe assembly on intake manifold.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 1: Locating Fuel Injector Pipes And Bolts
    G04997370Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the fuel injector pipe LH to the fuel pipe.
    NOTE: Connect the quick connector securely.
    Fig 2: Identifying Fuel Injector Pipe
    G04997369Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the fuel injector pipe RH to the fuel pipe.
    NOTE: Connect the quick connector securely.
    Fig 3: Identifying Fuel Injector Pipe
    G04997368Courtesy of SUBARU OF AMERICA, INC.
  4. Install the fuel injector.
  5. Tighten the bolts which install fuel injector pipes on intake manifold.
    • RH side

      Tightening torque: 

      19 N.m (1.9 kgf-m, 13.7 ft-lb) 

      Fig 4: Locating Fuel Injector Pipe Bolts - RH Side
      G04997365Courtesy of SUBARU OF AMERICA, INC.
    • LH side

      Tightening torque: 

      19 N.m (1.9 kgf-m, 13.7 ft-lb) 

      Fig 5: Locating Fuel Injector Pipe Bolts - LH Side
      G04997366Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

    6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

    Fig 6: Locating Fuel Injector Pipe Bolts
    G04997367Courtesy of SUBARU OF AMERICA, INC.
  6. Install the engine harness to the intake manifold.
  7. Tighten the bolts which install engine harness on intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 13.7 ft-lb) 

    Fig 7: Locating Engine Harness Bolts
    G04997364Courtesy of SUBARU OF AMERICA, INC.
  8. Hold the engine harness using the harness band clips.
    Fig 8: Locating Engine Harness
    G04997363Courtesy of SUBARU OF AMERICA, INC.
  9. Install the purge control solenoid valve. <Ref. to INSTALLATION , Purge Control Solenoid Valve .>
  10. Connect the connectors (A) to fuel injector.
  11. Hold the engine harness to fuel injector pipe by harness band (B).
    Fig 9: Identifying Harness Band And Fuel Injector Connector
    G04997362Courtesy of SUBARU OF AMERICA, INC.
  12. Install the fuel pipe protector RH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 13.7 ft-lb) 

    Fig 10: Locating Fuel Pipe Protector RH
    G04997361Courtesy of SUBARU OF AMERICA, INC.
  13. Install the fuel pipe protector LH.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 13.7 ft-lb) 

    Fig 11: Locating Fuel Pipe Protector LH
    G04997360Courtesy of SUBARU OF AMERICA, INC.
  14. Install the PCV pipe.
    1. Connect the hose (A) and (B) to the intake manifold.
    2. Tighten the bolts (C) through (E) in alphabetical sequence.

      Tightening torque: 

      6.4 N.m (0.65 kgf-m, 4.7 ft-lb) 

      Fig 12: Identifying PCV Pipe Bolts
      G04997382Courtesy of SUBARU OF AMERICA, INC.
  15. Install the EGR valve. <Ref. to INSTALLATION , EGR Valve .>
  16. Install the throttle body to the intake manifold. <Ref. to INSTALLATION , Throttle Body .>
  17. Install the ignition coil and ignitor assembly. <Ref. to INSTALLATION , Ignition Coil and Ignitor Assembly .>
  18. Install the engine ground terminal to intake manifold.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 13.7 ft-lb) 

    Fig 13: Locating Engine Ground Terminal
    G04997358Courtesy of SUBARU OF AMERICA, INC.