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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> Engine Mechanical >> Timing Belt >> Engine Mechanical (H4DOTC) >> Crank Pulley >> Installation

Crank Pulley: Installation

  1. Install the crank pulley.
  2. Install the pulley bolt.

    To lock the crankshaft, use ST.

    ST 499977100 CRANK PULLEY WRENCH

    1. Clean the crankshaft thread using compressed air.
    2. Apply engine oil to the crank pulley bolt seat and thread.
    3. Tighten the bolts temporarily with tightening torque of 44 N.m (4.5 kgf-m, 33 ft-lb).
    4. Tighten the crank pulley bolts.

      Tightening torque: 180 N.m (18.3 kgf-m, 132.7 ft-lb) 

      Fig 1: Installing Crank Pulley Bolt Using Crank Pulley Wrench ST 499977100
      G04998659
  3. Check that the tightening angle of the clamp pulley bolt is a minimum of 65°. Perform the following procedure when less than 65°.
    CAUTION: If the tightening angle of crank pulley bolt is less than 45°, the bolt is damaged. In this case, the bolt must be replaced.
    1. Replace the crank pulley bolts and clean them.

      Crank pulley bolt: Part No. 12369A A011 

    2. Clean the crankshaft thread using compressed air.
    3. Tighten the bolts temporarily with tightening torque of 44 N.m (4.5 kgf-m, 33 ft-lb).
    4. Tighten the crank pulley bolt keeping them in an angle between 65° and 75°.
    NOTE: Conduct the tightening procedures by confirming the turning angle of crank pulley bolt referring to the gauge indicated on timing belt cover.
  4. Install the A/C belt tensioner.
    Fig 2: Identifying A/C Belt Tensioner
    G04998654
  5. Install the V-belts. < Ref. to INSTALLATION , V-belt. >