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Oil Pump

WARNING: This page is about a different car, the 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
OIL PUMP SPECIFICATION

Unit: mm (in)
Oil pump body to oil pump outer rotor radial clearance 0.114-- 0.260 (0.0045-- 0.0102)
Oil pump inner rotor to oil pump outer rotor tip clearance Below 0.180 (0.0071)
Oil pump body to oil pump inner rotor axial clearance 0.030 - 0.070 (0.0012 - 0.0028)
Oil pump body to oil pump outer rotor axial clearance 0.050- 0.110(0.0020-0.0043)
Oil pump inner rotor to brazed portion of housing clearance 0.045- 0.091 (0.0018 - 0.0036)