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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Lubrication System (Except For STI)) >> Oil Pipe >> Installation >> Oil Pipe Assy

Oil Pipe Assy

WARNING: This page is about a different variant/trim than selected.
  1. Temporarily install the oil pipe assembly.
    1. Temporarily tighten the union bolts (B) and (C) which secure the oil pipe assembly (A) to the scavenge pump and the intake rear camshaft cap RH.
      NOTE: Use a new gasket.
    2. Temporarily tighten the bolts (D) and (E) which secure the oil pipe assembly (A) to the cam carrier RH.
    3. Temporarily tighten the union screw pipe assembly (F) to the oil pipe assembly (A).
    G13259608Courtesy of SUBARU OF AMERICA, INC.
  2. Tighten the union bolts which secure the oil pipe assembly to the scavenge pump and the intake rear camshaft cap RH.

    Tightening torque: 

    31.5 N.m (3.2 kgf-m, 23.2 ft-lb)

    G09476576Courtesy of SUBARU OF AMERICA, INC.
  3. Lift up the vehicle.
  4. Tighten the bolt which secures the oil pipe assembly to the cam carrier RH.

    Tightening torque: 

    6.8 N.m (0.7 kgf-m, 5.0 ft-lb)

    G10267329Courtesy of SUBARU OF AMERICA, INC.
  5. Tighten the union screw pipe assembly to the oil pipe assembly, and tighten the oil pipe assembly mounting bolts.
    CAUTION: In order to prevent damaging the oil pipe assembly, fix the section (a) shown in the figure when tightening the flare nut on the union screw pipe assembly, and avoid the part from rotating together while tightening the nut.

    Tightening torque: 

    T1: 6.8 N.m (0.7 kgf-m, 5.0 ft-lb)

    T2: 20 N.m (2.0 kgf-m, 14.8 ft-lb)

    G12442972Courtesy of SUBARU OF AMERICA, INC.
  6. Connect the ground cable (A) and the oil outlet hose (B) to the oil pipe assembly.

    Tightening torque: 

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

    G12442964Courtesy of SUBARU OF AMERICA, INC.
  7. Lower the vehicle.
  8. Install the intake duct No. 2. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>INTAKE DUCT>INSTALLATION>INTAKE DUCT NO. 2 .
  9. After installing, check the engine oil level and replenish it if necessary. Refer to LUBRICATION (EXCEPT FOR STI)>ENGINE OIL>INSPECTION .
  10. Connect the ground terminal to battery sensor. Refer to NOTE>NOTE>BATTERY .
  11. Install the collector cover. Refer to INTAKE (INDUCTION) (EXCEPT FOR STI)>COLLECTOR COVER>INSTALLATION .