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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Engine Lubrication System (2.5L) >> 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 

    Fig 1: Applying Liquid Gasket To Oil Pressure Switch Threads
    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) 

    Fig 2: Locating Oil Pressure Switch
    G04997912Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the terminal to the oil pressure switch.
    Fig 3: Locating Oil Pressure Switch Terminal
    G04997911Courtesy of SUBARU OF AMERICA, INC.
  4. Install the generator to the bracket. <Ref. to INSTALLATION , Generator.>
  5. Connect the battery ground terminal.