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Vacuum Pump: Installation

  1. Apply liquid gasket to the vacuum pump as shown in the figure.
    NOTE:
    • Before applying liquid gasket, degrease the old liquid gasket seal surface of the engine where the vacuum pump is mounted on, and the surface of the vacuum pump.
    • When applying liquid gasket, the start and the end of application should cross at the point within the range A shown in the figure.
    • Install within 5 min. after applying liquid gasket.

    Liquid gasket: 

    THREE BOND 1217G (Part No. K0877Y0100), THREE BOND 1217H or equivalent

    Liquid gasket applying diameter: 

    3±1 mm (0.1181±0.0394 in)

    G13867871Courtesy of SUBARU OF AMERICA, INC.
  2. Install the vacuum pump.
    NOTE: When installing the vacuum pump, align the slot on the vacuum pump shaft (A) with the protrusion on the intake camshaft RH (B).
    G11253208Courtesy of SUBARU OF AMERICA, INC.

    Tightening torque: 

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

  3. Apply engine oil to the threaded portion for the vacuum pump union bolt.
  4. Set a new gasket on the oil pipe, and secure the oil pipe with the union bolt (A).

    Tightening torque: 

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

    G12395450Courtesy of SUBARU OF AMERICA, INC.
  5. When working on the vehicle
    NOTE: When working on the vehicle, perform the following steps also.
    1. Install the Cross Member support rear RH. Ref. to FRONT SUSPENSION>CROSS MEMBER SUPPORT>INSTALLATION .
    2. Connect the brake booster vacuum hose to the vacuum pump.
      NOTE: When connecting the brake booster vacuum hose, align the alignment marks (a) on the brake booster vacuum hose and the vacuum pump.
      G13230034Courtesy of SUBARU OF AMERICA, INC.
    3. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>AIR INTAKE BOOT>INSTALLATION .
    4. Install the collector cover. Ref. to INTAKE (INDUCTION) (H4DO)>COLLECTOR COVER>INSTALLATION .