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Home >> Nissan-Datsun >> 2006 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Engine Mechanical (Qr25DE) >> Oil Seal >> Removal and installation of Valve Oil Seal >> Removal

Removal and installation of Valve Oil Seal: Removal

  1. Remove camshaft and valve lifter. Refer to "REMOVAL ".
  2. Rotate crankshaft, and set piston whose oil seal is to removed to top dead center. This prevents valve from dropping inside cylinder.
    CAUTION: When rotating crankshaft, be careful to avoid scarring the front cover with the timing chain.
  3. Remove valve collet, valve spring retainer and valve spring using Tool.
    Fig 1: Removing Valve Spring Retainer And Valve Spring Using Tool
    G04190488Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove valve oil seal using Tool.
    Fig 2: Removing Valve Oil Seal Using Tool
    G04190489Courtesy of NISSAN MOTOR CO., U.S.A.
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