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Home >> Subaru >> 2019 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Engine Lubrication System (STI) >> Oil Pressure Switch >> Installation
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Oil Pressure Switch: Installation

  1. Apply liquid gasket to the oil pressure switch threads.

    Liquid gasket:

    THREE BOND 1324 (Part No. 004403042) or equivalent

    G04992894Courtesy of SUBARU OF AMERICA, INC.
  2. Install the oil pressure switch to cylinder block.

    Tightening torque:

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

    G04997912Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the terminal to the oil pressure switch.
    G04997911Courtesy of SUBARU OF AMERICA, INC.
  4. Install the generator to the bracket. Refer to STARTING/CHARGING SYSTEMS (STI)>GENERATOR>INSTALLATION .
  5. Connect the battery ground terminal.