FixVault

Section 1 (Engine Cooling System (STI)): Thermostat: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Install a gasket to thermostat.
    NOTE: Use a new gasket.
  2. Install the thermostat and thermostat cover.
    NOTE: Install the parts with the jiggle pin facing upward.

    Tightening torque: 

    12 N.m (1.2 kgf-m, 8.9 ft-lb) 

    Fig 1: Identifying Thermostat, Thermostat Cover, Jiggle Pin And Gasket
    G10265561Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the radiator outlet hose to thermostat cover.
  4. Install the under cover. <Ref. to INSTALLATION , Front Under Cover.>
  5. Lower the vehicle.
  6. Fill engine coolant. <Ref. to FILLING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.>