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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1049 (Engine Mechanical) >> 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 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove camshaft and valve lifter relating to valve oil seal to be removed. Refer to Removal and Installation .
  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 timing chain case with the timing chain.
  3. Remove valve collet, valve spring retainer and valve spring using Tool.
    1. Tool numbers: KV10116200 (J-26336-A) 
    2. : KV10115900 (J-26336-20) 
    Fig 1: Compressing Valve Spring Using Tool
    G00779264Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove valve oil seal using Tool.
    1. Tool number: KV10107902 (J-38959) 
    Fig 2: Removing Valve Oil Seal Using Tool
    G00779265Courtesy of NISSAN MOTOR CO., U.S.A.