OIL PAN AND OIL STRAINER

■ 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.
  
  
  

  : Engine front

  
  
• Insert the seal cutter [SST: KV10111100 (J37228)] 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.




: 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.




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).




1	: Rear timing chain case
3	: Lower cylinder block
	: Engine front

7.Remove axle pipe, if necessary.


• Remove axle pipe from oil pan (upper) using a suitable drift (A) [outer diameter: φ37 mm (1.46 in)].

1.Install axle pipe (3) to oil pan (upper), if removed.


• 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)].
  
  
  ■ 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).


■ 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).




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.




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.




: 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.




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.




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.




: Engine front



NOTE：
The figure shows downward gaze.

7.Install oil pan drain plug.
• Refer to the figure of components of former page for installation direction of drain plug washer. Refer to Exploded View (GT-R certified NISSAN dealer).

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

Clean oil strainer if any object attached.

1.Check the engine oil level and adjust engine oil. Refer to Inspection.

2.Start engine, and check there is no leak of engine oil.

3.Stop engine and wait for 10 minutes.

4.Check the engine oil level again. Refer to Inspection.