Clearance of Oil Pump Parts

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Measure radial clearance using a suitable tool.
Body to outer rotor (position 1): Refer to OIL PUMP .

Inner rotor to outer rotor tip (position 2): Refer to OIL PUMP .

Fig 1: Measuring Oil Pump Parts Radial Clearance Using Tool
Courtesy of NISSAN NORTH AMERICA, INC.
Measure side clearance using suitable tools.
Body to inner rotor (position 3): Refer to OIL PUMP .

Body to outer rotor (position 4): Refer to OIL PUMP .

Fig 2: Measuring Oil Pump Parts Side Clearance Using Tools
Courtesy of NISSAN NORTH AMERICA, INC.
Calculate the clearance between inner rotor and oil pump body as follows.

Measure the outer diameter of protruded portion of inner rotor (position 5) using suitable tool.

Fig 3: Measuring Outer Diameter Of Protruded Portion Of Inner Rotor Using Micrometer
Courtesy of NISSAN NORTH AMERICA, INC.
Measure the inner diameter of oil pump body to brazed portion (position 6) using suitable tool.

Fig 4: Measuring Inner Diameter Of Oil Pump Body To Brazed Portion Using Inside Micrometer
Courtesy of NISSAN NORTH AMERICA, INC.
Calculate the clearance using the following formula.
- (Clearance) = (Inner diameter of oil pump body) - (Outer diameter of inner rotor)
  Inner rotor to brazed portion of housing clearance: Refer to OIL PUMP .