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Home >> Infiniti >> 2015 >> Q60 Base, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical (Convertible) >> Unit Disassembly And Assembly >> Rear Timing Chain Case >> Disassembly And Assembly >> Assembly

Disassembly And Assembly: Assembly

CAUTION:

Do not reuse O-rings.

  1. Install rear timing chain case as follows:
    1. Install new O-rings (1) onto cylinder block.
      Fig 1: Identifying O-Rings
      G05207331Courtesy of NISSAN NORTH AMERICA, INC.
      → : Engine front
      CAUTION:

      Do not reuse O-rings.

    2. Apply liquid gasket with the tube presser (commercial service tool) to rear timing chain case back side as shown in the figure.

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

      CAUTION:
      • For "A" in the figure, completely wipe off liquid gasket extended on a portion touching at engine coolant.
      • Apply liquid gasket on installation position of water pump and cylinder head completely.
      Fig 2: Identifying Liquid Gasket
      GNSJPBIA0092ZZ-092Courtesy of NISSAN NORTH AMERICA, INC.
      C. Protrusion D. Clearance 1 mm (0.04 in) E. Do not protrude in this area
      F. Run along bolt hole inner side G. Protrusions at beginning and end of gasket    
      h. π3.4 - 4.4 mm (0.134 - 173 in) i. π2.6 - 2.8 mm (0.102 - 0.110 in)    
      Refer to COMPONENTS for symbols in the figure.
    3. Align rear timing chain case with dowel pins (bank 1 and bank 2) on cylinder block and install rear timing chain case.
      • Check that O-rings stay in place during installation to cylinder block.
    4. Tighten mounting bolts in numerical order as shown in the figure.
      Fig 3: Rear Timing Chain Case Mounting Bolt Tightening Sequence
      G05207329Courtesy of NISSAN NORTH AMERICA, INC.
      • There are three types of mounting bolts. Refer to the following for locating bolts.
        Bolt length: Bolt position
          20 mm (0.79 in) : 1, 2, 3, 6, 7, 8, 9, 10
          16 mm (0.63 in) : Except the above
          Torque : 12.7 N•m (1.3 kg-m, 9 ft-lb)
    5. After all bolts are tightened, retighten them to the specified torque in numerical order shown in the figure.
      • If liquid gasket protrudes, wipe it off immediately.
    6. After installing rear timing chain case, check the surface height difference between the following parts on the oil pan (upper) mounting surface.
      Fig 4: Checking Surface Height Difference Between Parts On Oil Pan Mounting Surface
      G06294475Courtesy of NISSAN NORTH AMERICA, INC.
      1 : Rear timing chain case
      2 : Lower cylinder block
      Standard
        Rear timing chain case to lower cylinder block:
          -0.24 to 0.14 mm (-0.0094 to 0.0055 in)
      • If not within the standard, repeat the installation procedure.
  2. Install water pump with new O-rings. Refer to EXPLODED VIEW .
    CAUTION:

    Do not reuse O-rings.

  3. Install timing chains, camshaft sprockets and front timing chain case. Refer to REMOVAL AND INSTALLATION .
    • After installing front timing chain case, check the surface height difference between the following parts on the oil pan (upper) mounting surface.
      Fig 5: Measuring Surface Height Difference Between Oil Pan (Upper) Mounting Surface
      G05207337Courtesy of NISSAN NORTH AMERICA, INC.
      1 : Front timing chain case
      2 : Rear timing chain case
      3 : Lower cylinder block
      Standard
        Front timing chain case to rear timing chain case:
          -0.14 to 0.14 mm (-0.0055 to 0.0055 in)
    • If not within the standard, repeat the installation procedure.
  4. Install oil pan (upper). Refer to EXPLODED VIEW .
  5. Install in the reverse order of removal after this step.
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