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Home >> Subaru >> 2015 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical (STI)) >> Cylinder Head >> Disassembly

Cylinder Head: Disassembly

WARNING: This page is about a different variant/trim than selected.
  1. Remove the valve lifter.
  2. Place the cylinder head on ST1.

    ST1 498267600 CYLINDER HEAD TABLE

  3. Using ST2, compress the valve spring and remove the valve spring retainer key. Remove each valve and valve spring.

    ST2 499718000 VALVE SPRING REMOVER

    NOTE:
    • Mark each valve to prevent confusion.
    • Pay careful attention not to damage the lips of intake valve oil seals and exhaust valve oil seals.
    • Keep all the removed parts in order for re-installing in their original positions.
    • For removal and installation procedures of the valve guide, intake valve oil seal and exhaust valve oil seal, refer to "INSPECTION". <Ref. to VALVE GUIDE , INSPECTION, Cylinder Head.> <Ref. to INTAKE AND EXHAUST VALVE OIL SEAL , INSPECTION, Cylinder Head.>
    Fig 1: Compressing Valve Spring Using Valve Spring Remover (499718000)
    G08539344Courtesy of SUBARU OF AMERICA, INC.