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Home >> Subaru >> 2019 >> BRZ Premium >> 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-ASSY setting (Refer to REMOVAL )
  2. Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
  3. Front strut tower bar LH removal (Refer to REMOVAL )
  4. Removal of flexible V-shaped bar LH (tS model) (Refer to REMOVAL )
  5. Front strut tower bar RH removal (Refer to REMOVAL )
  6. Removal of flexible V-shaped bar RH (tS model) (Refer to REMOVAL )
  7. Removal of air cleaner case SUB-ASSY (Refer to REMOVAL , Step 9)
    G08556543Courtesy of SUBARU OF AMERICA, INC.
  8. Engine wiring disconnection
    1. Release the four clamps and disconnect the engine wiring.
      G11258380Courtesy of SUBARU OF AMERICA, INC.
    2. Release the clamp and disconnect the bulkhead harness.
      G08556544Courtesy of SUBARU OF AMERICA, INC.
    3. Remove the bolt and three clamps, and then disconnect the engine wiring. (Transmission A/T)
    G08554029Courtesy of SUBARU OF AMERICA, INC.
  9. Removal of intake manifold protector (bank 2 side)
    1. Remove the bolt, and disconnect the fuel hose bracket.
      G08554030Courtesy of SUBARU OF AMERICA, INC.
    2. Remove 2 bolts, and remove the intake manifold protector (bank 2 side).
  10. Removal of injector driver (Refer to INJECTOR DRIVER (FA20) )
  11. Removal of exhaust manifold (Refer to REMOVAL )
  12. Disconnection of front crossmember SUB-ASSY
    G12586426Courtesy of SUBARU OF AMERICA, INC.
    1. Remove the 2 nuts on the engine mount.
  13. Installation of SST
    G12586427Courtesy of SUBARU OF AMERICA, INC.
    1. Tie the exhaust pipe SUB-ASSY FR to the front suspension cross-member SUB-ASSY with the rope.
      NOTE: This operation is required to avoid dropping the exhaust pipe SUB-ASSY FR.
      G12586428Courtesy of SUBARU OF AMERICA, INC.
    2. Install the SST to the cylinder block.

      SST 12281-38150, 90119-14120 

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

      G12586429Courtesy of SUBARU OF AMERICA, INC.
    3. Release the clamp and disconnect the engine wiring.
      NOTE: This procedure is required to prevent the engine wiring from damaging.
    4. Install the SST to the vehicle.
      G08556549Courtesy 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 ASSY 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.
      G12586431Courtesy of SUBARU OF AMERICA, INC.
    6. Install the SST between engine mount and front crossmember.

      SST 18632AA020 

    G10213054Courtesy of SUBARU OF AMERICA, INC.
  14. Removal of ignition coil ASSY (bank 2 side)
    1. Disconnect 2 connectors for the ignition coil ASSY.
      NOTE: Slide the connectors in the direction of the arrow using a tool such as a clip remover while pressing the spring (a) shown in the figure.
      G12586433Courtesy of SUBARU OF AMERICA, INC.
    2. Remove 2 bolts, and remove 2 ignition coil ASSYs.
    G12586434Courtesy of SUBARU OF AMERICA, INC.
  15. Removal of spark plug (bank 2 side)
    1. Remove the two spark plugs.
      G10213057Courtesy of SUBARU OF AMERICA, INC.
  16. Removal of ignition coil ASSY (bank 1 side)
    1. Disconnect 2 connectors for the ignition coil ASSY.
      NOTE: Slide the connectors in the direction of the arrow using a tool such as a clip remover while pressing the spring (a) shown in the figure.
      G12586436Courtesy of SUBARU OF AMERICA, INC.
    2. Remove 2 bolts, and remove 2 ignition coil ASSYs.
    G12586437Courtesy of SUBARU OF AMERICA, INC.
  17. Removal of spark plug (bank 1 side)
    1. Remove the two spark plugs.
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