Service Specifications

2002 Infiniti Q45 V8-4.5L (VK45DE)SECTION Service Specifications

OIL PUMP:






Clearance of Oil Pump Parts






Clearance between outer rotor and oil pump body (position 1)
Standard:..............0.114 - 0.200 mm (0.0045 - 0.0079 inch)

Tip clearance between inner rotor and outer rotor (position 2)
Standard:..............Below 0.180 mm (0.0071 inch)






Side clearance between inner rotor and oil pump body (position 3)
Standard:............0.030 - 0.070 mm (0.0012 - 0.0028 inch)

Side clearance between outer rotor and oil pump body (position 4)
Standard:............0.030 - 0.090 mm (0.0012 - 0.0035 inch)






(Clearance) = (Inner diameter of oil pump body) - (Outer diameter of inner rotor)
Standard:.............0.045 - 0.091 mm (0.0018 - 0.0036 inch)


Regulator Valve Clearance






(Clearance) = D1 (Valve hole diameter) - D2 (Outer diameter of valve)
Standard:.............0.040 - 0.097 mm (0.0016 - 0.0038 inch)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.