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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1044 (Engine Mechanical (VQ40DE)) >> Removal And Installation >> 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 car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping into cylinder.
  2. Remove camshaft relating to valve oil seal to be removed. Refer to "REMOVAL AND INSTALLATION ".
  3. Remove valve lifters. Refer to "REMOVAL AND INSTALLATION ".
  4. Remove valve collet, valve spring retainer and valve spring using Tool.
    CAUTION: When working, take care not to damage valve lifter holes.

    Tool numbers: KV10116200 (J-26336-B) 

    : KV10115900 (J-26336-20) 

    : KV10109220 (-) 

    Fig 1: Compressing Valve Spring Using Tool Attachment
    G04899762Courtesy of NISSAN NORTH AMERICA, INC.
    • Compress valve spring using Tool attachment, adapter. Remove valve collet with magnet hand.
  5. Remove valve oil seal using Tool.

    Tool number: KV10107902 (J-38959) 

    Fig 2: Removing Valve Oil Seal Using Tool
    G04894161Courtesy of NISSAN NORTH AMERICA, INC.