LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2011 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical (MR20DE) >> Service Information >> Oil Seal >> Removal and Installation of Valve Oil Seal >> Removal

Removal and Installation of Valve Oil Seal: Removal

  1. Remove camshafts. Refer to "COMPONENT ".
  2. Remove valve lifters. Refer to VALVE LIFTER OUTER DIAMETER .
  3. Rotate crankshaft, and set piston whose valve oil seal is to be removed to TDC. This will prevent valve from dropping into cylinder.
    CAUTION: When rotating crankshaft, be careful to avoid scarring front cover with timing chain.
  4. Remove valve collet.
    • Compress valve spring using Tool, the attachment and the adapter (A). Remove valve collet with a suitable magnet hand (B).
      CAUTION: When working, be careful not to damage valve lifter holes.

      Tool number : KV101092S0 (J-26336-B) 

      Fig 1: Removing Valve Collet With Suitable Magnet Hand
      G04924591Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove valve spring retainer, valve spring and valve spring seat.
  6. Remove valve oil seal using Tool (A).

    Tool number :KV10107902 (J-38959) 

    Fig 2: Removing Valve Oil Seal Using Tool
    G04924592Courtesy of NISSAN MOTOR CO., U.S.A.