2022 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Intake Manifold Assembly: Installation

  1. Set a new gasket and install the intake manifold assembly.
    NOTE: Be careful not to let the engine wiring harness be caught by the parts.

    Tightening torque: 

    25 N.m (2.5 kgf-m, 18.4 ft-lb)

    G16523216Courtesy of SUBARU OF AMERICA, INC.
  2. Install the A/C compressor. Ref. to AIR CONDITIONER>COMPRESSOR>INSTALLATION .
  3. Connect the connector (B) to the high-pressure fuel pump.
  4. Connect the connectors (A) to the fuel injector (port injection side) LH.
    G16523212Courtesy of SUBARU OF AMERICA, INC.
  5. Install the fuel delivery pipe assembly.

    Tightening torque: 

    9 N.m (0.9 kgf-m, 6.6 ft-lb)

  6. Connect the fuel delivery pipe assembly (C). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL DELIVERY AND EVAPORATION LINES>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE C) .
  7. Connect the fuel delivery tube (port injection side) (B). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL DELIVERY AND EVAPORATION LINES>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE A) .
  8. Connect the fuel delivery tube (cylinder direct injection side) (A). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL DELIVERY AND EVAPORATION LINES>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE A) .
    G16523211Courtesy of SUBARU OF AMERICA, INC.
  9. Secure the fuel delivery tube with the claw on the fuel delivery tube clamp.
  10. Connect the evaporation hose (A).
    G16523210Courtesy of SUBARU OF AMERICA, INC.
  11. Hold the engine wiring harness with a new clip.
    NOTE:
    • Install the clip while aligning the alignment mark of the engine wiring harness.
    • Install the clip so that the band exposed length (a) is as shown in the figure.
    G16523221Courtesy of SUBARU OF AMERICA, INC.
    G16523209Courtesy of SUBARU OF AMERICA, INC.
  12. Connect the connector to the purge control solenoid valve.
    G16523207Courtesy of SUBARU OF AMERICA, INC.
  13. Install the fuel pipe protector LH No. 1. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL PIPE PROTECTOR>INSTALLATION>FUEL PIPE PROTECTOR LH>FUEL PIPE PROTECTOR LH NO. 1 .
  14. Secure the brake vacuum pipe with the bolts.

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

    G16523206Courtesy of SUBARU OF AMERICA, INC.
  15. Secure the battery cable assembly with the clip.
  16. Secure the engine wiring harness to the engine rear hanger.
    G16523205Courtesy of SUBARU OF AMERICA, INC.
  17. Connect the connector (A) to the fuel injector (port injection side) RH and secure it with the clip.
    G16523204Courtesy of SUBARU OF AMERICA, INC.
  18. Install the fuel pipe protector RH No. 1. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL PIPE PROTECTOR>INSTALLATION>FUEL PIPE PROTECTOR RH>FUEL PIPE PROTECTOR RH NO. 1 .
  19. When the engine coolant remains before removing the intake manifold assembly
    1. Install the throttle body. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>THROTTLE BODY>INSTALLATION .
  20. When the engine coolant has been drained before removing the intake manifold assembly
    1. Connect the connector (A) to the throttle body and connect the preheater hoses (B).
    G16523203Courtesy of SUBARU OF AMERICA, INC.
  21. Connect the connector (A) to the manifold absolute pressure sensor and secure it with the clip.
    G16523201Courtesy of SUBARU OF AMERICA, INC.
  22. Install the PCV hose No. 1. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO)>PCV HOSE>INSTALLATION>PCV HOSE NO. 1 .
  23. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>AIR INTAKE BOOT>INSTALLATION .
  24. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  25. Install the fuel filler cap, and close the fuel filler lid.
  26. Check refrigerant leaks. Ref. to AIR CONDITIONER>REFRIGERANT LEAK CHECK>INSPECTION .
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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.