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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1200 (Engine Mechanical) >> Cylinder Head >> Disassembly and Assembly >> Assembly

Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the valve guide if necessary. Refer to "VALVE GUIDE REPLACEMENT ".
  2. Install the valve seat if necessary. Refer to "VALVE SEAT REPLACEMENT ".
  3. Install the valve oil seal using Tool.
    1. Tool number: KV10115600 (J-38958) 
    • Apply new engine oil on the new valve oil seal joint and seal lip.
    • Install the valve oil seal to the specified height "H".
      1. Height "H" (Without valve spring seat installed) 
        1. Intake and exhaust: 14.3 - 14.9 mm (0.563 - 0.587 in) 
    Fig 1: Installing Valve Oil Seal To Specified Height "H" Using Tool (KV10115600)
    G02384521Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install the valves in their original position.
  5. Install the valve spring seats.
  6. Install the valve springs.
    • Install the narrow pitch end (Paint mark side) to the cylinder head side.
  7. Install the valve spring retainers.
    Fig 2: Installing Narrow Pitch End (Paint Mark Side) To Cylinder Head Side
    G02384522Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Install the valve collet using Tool.
    1. Tool number: KV10116200 (J-26336-B) 
      1. : KV10115900 (J-26336-20) 
      2. : KV10109220 ( - ) 
    CAUTION: When working, take care not to damage valve lifter holes.
    Fig 3: Installing Valve Collet Using Specified Tools
    G02384523Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Install the valve lifters.
    • Install the removed parts in their original locations.
    • If installing new lifters, select the correct size lifter for proper valve clearance. Refer to "VALVE CLEARANCE ".
  10. Install the spark plug tube if necessary, following the procedure below.
    1. Remove any old liquid gasket adhering to the cylinder-head spark plug tube hole.
    2. Apply liquid gasket to area within approximately 12 mm (0.47 in) from the edge of the spark plug tube press-fit side.

      Use Genuine RTV Silicone Sealant or equivalent. Refer to  "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".

    3. Press-fit the spark plug tube to the specified height "H" using suitable tool.
      1. Standard press-fit height "H": 38.4 - 39.4 mm 
        1. (1.512 - 1.551 in) 
      CAUTION:
      • When press-fitting, take care not to deform the spark plug tube.
      • After press-fitting, wipe off any liquid gasket protruding onto the cylinder-head upper face.
  11. Install the spark plugs.
    Fig 4: Applying Liquid Gasket To Specified Location
    G02384524Courtesy of NISSAN MOTOR CO., U.S.A.
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