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Home >> Nissan-Datsun >> 2011 >> Sentra S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical (Qr25DE)) >> Service Information >> Oil Seal >> Removal and Installation of Valve Oil Seal >> Removal

Removal and Installation of Valve Oil Seal: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Remove camshaft. Refer to "REMOVAL AND INSTALLATION ".
  2. Remove valve lifter. Refer to "REMOVAL AND INSTALLATION ".
  3. 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.
  4. Remove valve collet, valve spring retainer and valve spring using Tool.

    Tool number 

    : KV10116200 (J-26336-B) 

    : KV10115900 (J-26336-20) 

    Fig 1: Removing Valve Collet, Valve Spring Retainer And Valve Spring Using Tool
    G07137519Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove valve oil seal using Tool.

    Tool number : KV10107902 (J-38959) 

    Fig 2: Removing Valve Oil Seal Using Tool
    G07137520Courtesy of NISSAN MOTOR CO., U.S.A.