2017 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Section 30 (Engine Intake System (Induction)): Intercooler: Installation

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Replace the intake duct No. 2 gasket with a new part.
    G13198599Courtesy of SUBARU OF AMERICA, INC.
  2. Install the intercooler stay LH to the intake manifold assembly.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 11.8 ft-lb)

    G14610484Courtesy of SUBARU OF AMERICA, INC.
  3. Install the stay for the vacuum pipe assembly to the intercooler stay LH. (MT model)

    Tightening torque: 

    18 N.m (1.8 kgf-m, 13.3 ft-lb)

    G14610483Courtesy of SUBARU OF AMERICA, INC.
  4. Using a new gasket, set the intercooler and the intake duct No. 3 as a unit.
    G14610488Courtesy of SUBARU OF AMERICA, INC.
  5. Return the spring (A) of intake duct No. 2 to the original position, and connect the intake duct No. 3 to the intake duct No. 2.
    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. 
    G14610482Courtesy of SUBARU OF AMERICA, INC.
  6. Install the intercooler stay RH to the intake manifold assembly, and install the bolts which secure the intercooler.

    Tightening torque: 

    16 N.m (1.6 kgf-m, 11.8 ft-lb)

    G14610480Courtesy of SUBARU OF AMERICA, INC.
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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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