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Home >> Subaru >> 2025 >> Outback Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Emission Control Systems (Aux. Emission Control Devices) (2.4L)) >> PCV Pipe >> Installation

PCV Pipe: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Connect the quick connector of the PCV pipe assembly to the cylinder block pipe section.
    CAUTION:
    • Always use a new PCV pipe assembly.
    • Check that there is no damage or dust on the quick connector. If necessary, clean the seal surface of the pipe.
    • Make sure that the quick connector is securely connected.
    G13198548Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the connector (A) and terminal (B).
    CAUTION: As residual anti-rust grease or dirt on the threads (bolts and nuts), terminals and seating surfaces may cause overtorque, clean and degrease them.

    Tightening torque: 

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

    G13619945Courtesy of SUBARU OF AMERICA, INC.
  3. After connecting the terminal B, apply a thin coat of anti-rust grease to the terminal section.
    CAUTION: This procedure is required to prevent rust and suppress sulfation.

    Preparation items: 

    Grease: Viscotech R174 or equivalent Ref. to RECOMMENDED MATERIALS>GREASE>STARTING/CHARGING SYSTEM

    G00685910Courtesy of SUBARU OF AMERICA, INC.
    (A) Anti-rust grease application area
  4. Install the PCV pipe assembly to the intake manifold assembly.
    G00685915Courtesy of SUBARU OF AMERICA, INC.
  5. 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.
    NOTE: It is possible to install with the spring locked.
    G13619535Courtesy of SUBARU OF AMERICA, INC.
  6. Install the intake duct No. 2. Ref. to INTAKE (INDUCTION) (H4DOTC)>INTAKE DUCT>INSTALLATION>INTAKE DUCT NO. 2 .
  7. Install the V-belt tensioner assembly. Ref. to MECHANICAL (H4DOTC)>V-BELT>INSTALLATION>V-BELT TENSIONER ASSEMBLY .
  8. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .