2022 Subaru WRX Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE

Intake Manifold Assembly: Installation

  1. Install the cylinder head plate to the cylinder head.
    G13619551Courtesy of SUBARU OF AMERICA, INC.
  2. Install the fuel pipe protector stay.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb)

    G13198184Courtesy of SUBARU OF AMERICA, INC.
  3. 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)

    G13619549Courtesy of SUBARU OF AMERICA, INC.
  4. Set a new gasket, and install the stud bolts using TORX® E5.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

    G13198181Courtesy of SUBARU OF AMERICA, INC.
  5. Temporarily attach the EGR pipe No. 2 and tighten it in order of (1)→(2)→(3).

    Tightening torque: 

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

    Fig 1: EGR Pipe No. 2 Nuts Tightening Sequence
    G14600919Courtesy of SUBARU OF AMERICA, INC.
  6. Install the PCV hose. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DOTC)>PCV HOSE>INSTALLATION
  7. Install the harness stay.

    Tightening torque: 

    6.4 N.m (0.7 kgf-m, 4.7 ft-lb)

  8. Install the clip (A) and clip (B) to the harness stay.
    G14600909Courtesy of SUBARU OF AMERICA, INC.
  9. Connect the connector (A).
  10. Install the clip (B) and clip (C).
    G14600908Courtesy of SUBARU OF AMERICA, INC.
  11. Install the clip (C) and clip (D).
  12. Connect the fuel delivery pipe (B). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>FUEL DELIVERY AND EVAPORATION LINES>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE B) 
  13. Connect the connector (A).
    G14600907Courtesy of SUBARU OF AMERICA, INC.
  14. Install the fuel pipe protector No. 2.

    Tightening torque: 

    19 N.m (1.9 kgf-m, 14.0 ft-lb)

    G14600906Courtesy of SUBARU OF AMERICA, INC.
  15. Install the fuel pipe protector No. 1.

    Tightening torque: 

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

    G14600905Courtesy of SUBARU OF AMERICA, INC.
  16. Set the engine wiring harness and secure the engine wiring harness to the bracket with the claw.
    G14600904Courtesy of SUBARU OF AMERICA, INC.
  17. Install the engine wiring harness to the clip (A), and connect the connector (B).
  18. Connect the connector (C) and connector (D) in numerical order shown in figure.
    G14600926Courtesy of SUBARU OF AMERICA, INC.
  19. Secure the battery cable assembly with the claw (B) and clip (A).
    G14600902Courtesy of SUBARU OF AMERICA, INC.
  20. Secure the battery cable assembly with the clip (A).
  21. Connect the connector (B), connector (C) and terminal (D).

    Tightening torque: 

    15.5 N.m (1.6 kgf-m, 11.4 ft-lb)

    G14600928Courtesy of SUBARU OF AMERICA, INC.
  22. Install the V-belt cover.
    NOTE:
    • Check the grommet for peel-off or disengagement. 
    • Be careful not to deform the bracket during installation. 

    Tightening torque: 

    7 N.m (0.7 kgf-m, 5.2 ft-lb)

  23. Connect the evaporation hose (E).
  24. Install the fuel delivery tube clamp (D).
  25. Connect the fuel delivery tube (C). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>FUEL DELIVERY AND EVAPORATION LINES>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE A) 
  26. Connect the connector (A) and connector (B).
    G13198170Courtesy of SUBARU OF AMERICA, INC.
  27. Connect the PCV pipe assembly to the intake duct No. 1, and lock it.
    CAUTION:
    • Make sure there are no damage or dust on connections. If necessary, clean the seal surface of the pipe. 
    • Confirm that the connections are secure. 
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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