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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1040 (Engine Mechanical - QG18DE) >> Oil Seal >> Replacement >> Valve Oil Seal

Valve Oil Seal

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove rocker cover. Refer to ROCKER COVER under "REMOVAL AND INSTALLATION ".
  2. Remove camshaft. Refer to CAMSHAFT under "REMOVAL AND INSTALLATION ".
  3. Remove valve spring. Refer to VALVE SPRING under "DISASSEMBLY ".
  4. Remove valve oil seal using tool.
    CAUTION: Piston concerned should be set at TDC to prevent valve from falling into combustion chamber.
    Fig 1: Removing Valve Oil Seal
    G00774027Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Apply new engine oil to new valve oil seal and install it using Tool.
    Fig 2: Installing Valve Oil Seal
    G00774028Courtesy of NISSAN MOTOR CO., U.S.A.
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