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Home >> Subaru >> 2013 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Ignition coil and spark plug (FA20) >> Removal
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Ignition coil and spark plug (FA20): Removal

  1. Hood sub-assembly setting (Refer to REMOVAL )
  2. Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
  3. Removal of front strut tower bar LH (Refer to FRONT STRUT TOWER BAR )
  4. Removal of front strut tower bar RH (Refer to INSTALLATION )
  5. Removal of air cleaner case sub-assembly (Refer to REMOVAL )
  6. Engine wiring disconnection
    1. Release the four clamps and disconnect the engine wiring.
      Fig 1: Identifying Engine Wiring Clamps
      G08554021Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the bolt and three clamps, and then disconnect the engine wiring.
      Fig 2: Locating Engine Wiring Bolt And Clamps
      G08554022Courtesy of SUBARU OF AMERICA, INC.
  7. Removal of exhaust manifold

    (Refer to REMOVAL )

  8. Disconnection of front crossmember sub-assembly
    1. Remove the 2 nuts on the engine mount.
      Fig 3: Locating Engine Mount Nuts
      G08554023Courtesy of SUBARU OF AMERICA, INC.
  9. Installation of SST
    1. Tie the exhaust pipe sub-assembly FR to the front suspension crossmember sub-assembly with the rope.
      NOTE: This operation is required to avoid dropping the exhaust pipe sub-assembly FR.
      Fig 4: Securing Exhaust Pipe Sub-Assembly FR To Front Suspension Crossmember Sub-Assembly Using Rope
      G08554024Courtesy of SUBARU OF AMERICA, INC.
    2. Install the SST to the cylinder block.
      Fig 5: Installing SST (12281-38150 And 90119-14120) To Cylinder Block
      G08554025Courtesy of SUBARU OF AMERICA, INC.

      SST 12281-38150, 90119-14120

      Standard value: T=43N.m {439kgf.cm} {31.7ft.lbf}

    3. Release the clamp and disconnect the engine wiring.
      Fig 6: Locating Engine Wiring Clamps (LH And RH)
      G08554026Courtesy of SUBARU OF AMERICA, INC.
      NOTE: This procedure is required to prevent the engine wiring from damaging.
    4. Install the SST to the vehicle.
      Fig 7: Installing SST To Vehicle
      G08554027Courtesy of SUBARU OF AMERICA, INC.

      SST 99099AJ000, 18679AA020

      CAUTION:
      • When installing the SST to the vehicle, do not damage the engine wiring.
      • Use a shackle with the load capacity of 250 kg (551 lb) or more.
    5. Lift the engine assembly a little bit at a time until the stud bolt of the engine mount is removed from the front crossmember.
      CAUTION:
      • To avoid the damage to the SST, apply grease or lubricant to the threaded portion.
      • To avoid the damage to the vehicle and parts, perform lifting operation a little bit at a time while checking the clearance in each part.
      • Lift the engine until the intake manifold (#4) slightly comes in contact with the A/C suction hose.
      • Insert a cloth between the intake manifold (#4) and the A/C suction hose to protect each part.
    6. Install the SST between engine mount and front crossmember.

      SST 18632AA020

      Fig 8: Installing SST Between Engine Mount And Front Crossmember
      G08554028Courtesy of SUBARU OF AMERICA, INC.
  10. Removal of intake manifold protector (bank 2 side)
    1. Remove the bolt, and disconnect the fuel hose bracket.
      Fig 9: Identifying Intake Manifold Protector
      G08554029Courtesy of SUBARU OF AMERICA, INC.
    2. Remove 2 bolts, and remove the intake manifold protector (bank 2 side).
      Fig 10: Locating Intake Manifold Protector (Bank 2 Side) Mounting Bolts
      G08554030Courtesy of SUBARU OF AMERICA, INC.
  11. Removal of ignition coil assembly (bank 2 side)
    1. Disconnect 2 connectors for the ignition coil assembly.
    2. Remove 2 bolts, and remove 2 ignition coil assemblies.
      Fig 11: Locating Ignition Coil Assembly Connectors And Bolts
      G08554031Courtesy of SUBARU OF AMERICA, INC.
  12. Removal of spark plug (bank 2 side)
    1. Remove 2 spark plugs.
      Fig 12: Removing Spark Plug
      G08554032Courtesy of SUBARU OF AMERICA, INC.
  13. Removal of injector driver (Refer to INJECTOR DRIVER (FA20) )
  14. Removal of ignition coil assembly (bank 1 side)
    1. Disconnect 2 connectors for the ignition coil assembly.
    2. Remove 2 bolts, and remove 2 ignition coil assemblies.
      Fig 13: Locating Ignition Coil Assembly Connectors And Bolts
      G08554033Courtesy of SUBARU OF AMERICA, INC.
  15. Removal of spark plug (bank 1 side)
    1. Remove 2 spark plugs.
      Fig 14: Removing Spark Plug
      G08554034Courtesy of SUBARU OF AMERICA, INC.