DISASSEMBLY

■ CAUTION ■
Never remove/install liquid gasket-applied oil pans (lower and upper) more than once. Replace them with new ones for a second or further removal/installation.
    1.Remove oil pan (lower).
    • Loosen mounting bolts in the reverse order as shown in the figure with power tool.
      NNBIA0046ZZ.JPG


      : Engine front

    • Insert the seal cutter [SST: KV10111100 (J-37228)] between oil pan (upper) and oil pan (lower).
    ■ CAUTION ■
    Never allow the mounting surface of oil pan (upper) to get scratched because it is surface-treated.
    NOTE:
    The figure shows downward gaze.
    2.Remove oil strainer.
    3.Remove front timing chain case, timing chain (primary) and oil pump drive chain. Refer to Exploded View (GT-R certified NISSAN dealer).
    4.Remove oil pump. Refer to Exploded View (GT-R certified NISSAN dealer).
    5.Remove oil pan (upper) as follows:
      (1)Loosen mounting bolts in the reverse order as shown in the figure with power tool.
      NNBIA0045ZZ.JPG


      : Engine front


      (2)Pry off the notch (B) located at the rear of oil pan (upper) (2) with a suitable tool (A) to separate the liquid gasket.
      NNBIA0193ZZ.JPG

      1
      : Lower cylinder block

      : Engine front

      ■ CAUTION ■
      • Never allow the mounting surface of oil pan (upper) to get scratched because it is surface-treated.
      • Never use the seal cutter.


    6.Remove O-rings (2).
    NNBIA0181ZZ.JPG

    1
    : Rear timing chain case
    3
    : Lower cylinder block

    : Engine front


    7.Remove axle pipe, if necessary.
    JPBIA0028ZZ.JPG
    • Remove axle pipe from oil pan (upper) using a suitable drift (A) [outer diameter: φ37 mm (1.46 in)].
 
 ASSEMBLY

    1.Install axle pipe (3) to oil pan (upper), if removed.
    JPBIA0452ZZ.JPG
    • Lubricate O-ring groove of axle pipe, O-rings, and O-ring joint of oil pan with new engine oil.
      Unit: mm (in)
      Items
      O-ring inner diameter
      Front final drive side (right side) O-ring (2)
      φ31.4 (1.236)
      Axle pipe flange side (left side) O-ring (1)
      φ33.6 (1.323)



    • Install axle pipe (1) to oil pan (upper) from axle pipe flange side (left side) using a suitable drift (A) [outer diameter: 43 to 57 mm (1.69 to 2.24 in)].
      JPBIA0029ZZ.JPG
      ■ CAUTION ■
      Insert it with care to prevent O-ring from sliding.

    2.Install oil pan (upper) as follows:
      (1) Apply gasket remover (commercial service tool) on old liquid gasket adhered to the oil pan (upper).
      (2)Remove gasket with a resin gasket scraper [SST: KV10119100 (J-49360) (A).
      JPBIA0027ZZ.JPG
      ■ CAUTION ■
      The mounting surface of oil pan (upper) is surface-treated. Be sure to use a resin gasket scraper so as not to damage the surface-treated.

      (3)Install new O-rings (2) on the bottom of lower cylinder block (3).
      NNBIA0181ZZ.JPG

      1
      : Rear timing chain case

      : Engine front


      (4)Apply a continuous bead of liquid gasket with the cartridge gun (commercial service tool) to the oil pan (upper) as shown in the figure.
      NNBIA0033ZZ.JPG

      a
      : 1.5 mm (0.059 in)
      b
      : φ4.5 mm (0.177 in)

      : Engine front

      Use Genuine RTV Silicone Sealant or equivalent. Refer to Recommended Chemical Products and Sealants.
      ■ CAUTION ■
      • For bolt holes with marks (3 locations), apply liquid gasket outside the holes.
      • Attaching should be done within 5 minutes after coating.


      (5)Tighten mounting bolts in numerical order as shown in the figure.
      NNBIA0045ZZ.JPG


      : Engine front

      ■ CAUTION ■
      Install avoiding misalignment of O-rings.
      • There are four types of mounting bolts. Refer to the following for locating bolts.
        M8×30 mm (1.18 in)
        : 5, 6, 13, 14
        M8×40 mm (1.57 in)
        : 10
        M8×60 mm (2.36 in)
        : 1, 2, 3, 4, 7, 8, 11, 12
        M8×75 mm (2.95 in)
        : 9

      (6)After installing oil pan (upper) (2), check the front timing chain case mounting surface.
      NNBIA0148ZZ.JPG

      1
      : Rear timing chain case


      Standard
      : Less than 0.14 mm (0.006 in)

      • If not within the standard, repeat the installation procedure.
    3.Install oil pump. Refer to Exploded View (GT-R certified NISSAN dealer).
    4.Install front timing chain case, timing chain (primary) and oil pump drive chain. Refer to Exploded View (GT-R certified NISSAN dealer).
    5.Install oil strainer.
    6.Install oil pan (lower) as follows:
      (1)Apply a continuous bead of liquid gasket with the cartridge gun (commercial service tool) to the oil pan (lower) as shown in the figure.
      NNBIA0034ZZ.JPG

      a
      : 8.5 mm (0.335 in)
      b
      : φ4.5 mm (0.177 in)

      Use Genuine RTV Silicone Sealant or equivalent. Refer to Recommended Chemical Products and Sealants.
      ■ CAUTION ■
      Attaching should be done within 5 minutes after coating.

      (2)Tighten mounting bolts in numerical order as shown in the figure.
      NNBIA0046ZZ.JPG


      : Engine front

      NOTE:
      The figure shows downward gaze.

    7.Install oil pan drain plug.
    8.Install in the reverse order of removal after this step.
    NOTE:
    At least 30 minutes after oil pan is installed, pour engine oil.