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Water Pump: Installation

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  1. Install the water pump onto cylinder block LH.
    NOTE:
    • Use a new gasket.
    • When installing the water pump, tighten the bolts in two stages in alphabetical sequence as shown in figure.

    Tightening Torque:

    First:

    12 N.m (1.2 kgf-m, 8.9 ft-lb)

    Second:

    12 N.m (1.2 kgf-m, 8.9 ft-lb)

    Fig 1: Water Pump Bolts Tightening Sequence
    G08539399Courtesy of SUBARU OF AMERICA, INC.
  2. Install the hose to water pump.
  3. Install the tensioner bracket.

    Tightening Torque:

    24.5 N.m (2.5 kgf-m, 18.1 ft-lb)

    G07909879
  4. Install the belt cover No. 2 LH.

    Tightening Torque:

    5 N.m (0.5 kgf-m, 3.7 ft-lb)

    G08539489
  5. Install the cam sprocket LH. Ref. to MECHANICAL (STI)>Cam Sprocket>INSTALLATION .
  6. Install the belt idler No. 2 (C).

    Tightening Torque:

    39 N.m (4.0 kgf-m, 28.8 ft-lb)

  7. Install the belt idler (B).

    Tightening Torque:

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

  8. Install the automatic belt tension adjuster (A) with the tension rod held by a pin. Ref. to MECHANICAL (STI)>Timing Belt>INSTALLATION>AUTOMATIC BELT TENSION ADJUSTER ASSEMBLY AND BELT IDLER .
    G07910956
  9. Install the timing belt. Ref. to MECHANICAL (STI)>Timing Belt>INSTALLATION>TIMING BELT .
  10. Install the timing belt cover. Ref. to MECHANICAL (STI)>Timing Belt Cover>INSTALLATION .
  11. Install the crank pulley. Ref. to MECHANICAL (STI)>Crank Pulley>INSTALLATION .
  12. Install the V-belts. Ref. to MECHANICAL (STI)>V-belt>INSTALLATION .
  13. Install the radiator. Ref. to COOLING(STI)>Radiator>INSTALLATION .