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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Mechanical (Except Hybrid)) >> Removal And Installation >> Cylinder Head >> Disassembly And Assembly >> Disassembly

Disassembly And Assembly: Disassembly

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove spark plug.
  2. Remove valve lifter.
    • Identify installation positions and store them without mixing them up.
  3. Remove valve collet.
    G04146417Courtesy of NISSAN NORTH AMERICA, INC.
    • Compress valve spring and remove valve collet with magnet hand using Tool.
    CAUTION:

    Do not damage valve lifter bore.

    Tool numbers : KV10109220 (-)
      : KV10116200 (J-26336-A)
      : KV10115900 (J-26336-20)
  4. Remove valve spring retainer, valve spring and valve spring seat.
  5. Push valve stem to combustion chamber side and remove valve.
    • Identify installation positions, and store them without mixing them up.
  6. Remove valve oil seals using Tool.
    G04146732Courtesy of NISSAN NORTH AMERICA, INC.
    Tool number : KV10107902 (J-38959)
  7. Remove valve seat (if necessary). Refer to INSPECTION AFTER DISASSEMBLY .
  8. Remove valve guide (if necessary). Refer to INSPECTION AFTER DISASSEMBLY .
  9. Remove spark plug tube (if necessary).
    • Using pair of pliers, pull spark plug tube out of cylinder head.
    CAUTION:
    • Take care not to damage cylinder head.
    • Once removed, spark plug tube will be deformed and cannot be reused. Do not remove it unless absolutely necessary.
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