2018 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Ignition Coil And Spark Plug (FA20): Installation

  1. Installation of spark plug (bank 1 side)
    1. Install the two spark plugs.

      Standard value: T=17N.m {174kgf.cm} {12.5ft.lbf} 

  2. Installation of ignition coil ASSY (bank 1 side)
    1. Using 2 bolts, install the ignition coil ASSY.

      Standard value: T=8.5N.m {87kgf.cm} {6.3ft.lbf} 

    2. Connect 2 connectors of the ignition coil ASSY.
  3. Installation of injector driver (Refer to INSTALLATION )
  4. Installation of spark plug (bank 2 side)
    1. Install the two spark plugs.

      Standard value: T=17N.m {174kgf.cm} {12.5ft.lbf} 

  5. Installation of ignition coil ASSY
    1. Using 2 bolts, install the ignition coil ASSY.

      Standard value: T=8.5N.m {87kgf.cm} {6.3ft.lbf} 

    2. Connect 2 connectors of the ignition coil ASSY.
  6. Installation of intake manifold protector (bank 2 side)
    1. Using 2 bolts, install the intake manifold protector (bank 2 side).

      Standard value: T=19N.m {194kgf.cm} {14.0ft.lbf} 

    2. Install the fuel hose bracket.

      Standard value: T=7.5N.m {76kgf.cm} {5.5ft.lbf} 

  7. Removal of SST
    1. Using the SST, lift the engine ASSY.

      SST 99099AJ000, 18679AA020 

      G12586438Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the SST.

      SST 18632AA020 

  8. Connection of front crossmember SUB-ASSY
    G12586439Courtesy of SUBARU OF AMERICA, INC.
    1. Install the two nuts of the new engine mounting.

      Standard value: T=60N.m {612kgf.cm} {44.2ft.lbf} 

    2. Remove the rope which secures the joint pipe to the front suspension crossmember SUB-ASSY.
  9. Removal of SST
    1. Remove the SST from the vehicle.

      SST 99099AJ000, 18679AA020 

    2. Remove the SST from the cylinder block.

      SST 12281-38150, 90119-14120 

      G12586440Courtesy of SUBARU OF AMERICA, INC.
    3. Connect the engine wiring with the clamp.
  10. Installation of exhaust manifold (Refer to INSTALLATION )
  11. Engine wiring connection
    1. Connect the engine wiring with the bolt and three clamps. (Transmission A/T)

      Standard value: T=11N.m {112kgf.cm} {8.1ft.lbf} 

    2. Using the clamp, connect the bulkhead harness.
    3. Using 4 clamps, connect the engine wire.
  12. Installation of air cleaner case SUB-ASSY (Refer to INSTALLATION , Step 95)
  13. Installation of front strut tower bar LH (Refer to INSTALLATION )
  14. Installation of flexible V-shaped bar LH (tS model) (Refer to INSTALLATION )
  15. Installation of front strut tower bar RH (Refer to INSTALLATION )
  16. Installation of flexible V-shaped bar RH (tS model) (Refer to INSTALLATION )
  17. Connection of the battery ground terminal

    Standard value: T=6.0N.m {61kgf.cm} {4.4ft.lbf} 

  18. Shift lever position check (transmission A/T) (Refer to ON-VEHICLE INSPECTION )
  19. Hood SUB-ASSY setting (Refer to INSTALLATION , Step 116)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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