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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Crank Pulley >> Installation

Crank Pulley: Installation

  1. Clean the crankshaft thread using compressed air.
  2. Apply engine oil to the crank pulley bolt seat and thread.
  3. Install the crank pulley.
    1. Install new O-ring to the crank pulley boss.
    2. Set the crank pulley to the crank pulley boss.
      NOTE: Install the crank pulley by aligning the flat sides (A) of the crank pulley and the flat sides (B) of the crank pulley boss.
      G13224325Courtesy of SUBARU OF AMERICA, INC.
    3. Use the ST1 and ST2 to lock the crank pulley, and temporarily tighten the crank pulley bolt.
      NOTE: To prevent damaging ST1, attach the ST2 onto the ST1 as shown in the figure below.
      G08316897Courtesy of SUBARU OF AMERICA, INC.

      Preparation tool: 

      ST1: PULLEY WRENCH (18355AA000)

      ST2: PULLEY WRENCH PIN SET (18334AA000)

      Tightening torque: 

      95 N.m (9.7 kgf-m, 70.1 ft-lb)

      G13224324Courtesy of SUBARU OF AMERICA, INC.
    4. Draw reference lines (A) and (B) using a marker to set the socket to the crank pulley bolt as shown in the figure.
      G13867890Courtesy of SUBARU OF AMERICA, INC.
    5. Draw reference lines (A) and (B) on the crank pulley bolt using a marker as shown in the figure.
      G13224329Courtesy of SUBARU OF AMERICA, INC.
    6. Draw end line (C) on crank pulley using a marker at the same position as reference line (B) drawn on the crank pulley bolt in step (5).
      G13224330Courtesy of SUBARU OF AMERICA, INC.
    7. Use the ST1 and ST2 to lock the crank pulley, and tighten the crank pulley bolt until the reference line (A) and end line (C) are aligned.
      NOTE: It should be approx. 60° when reference line (A) and end line (C) are aligned.

      Preparation tool: 

      ST1: PULLEY WRENCH (18355AA000)

      ST2: PULLEY WRENCH PIN SET (18334AA000)

      Tightening angle: 

      60°±5°

      G13224331Courtesy of SUBARU OF AMERICA, INC.
  4. Install the V-belts. Ref. to MECHANICAL (H4DO)>V-belt>INSTALLATION>V-BELT .
  5. When working on the vehicle
    NOTE: When working on the vehicle, perform the following steps also.
    1. Install the air intake duct. Ref. to INTAKE (INDUCTION) (H4DO)>AIR INTAKE DUCT>INSTALLATION .
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