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Home >> Nissan-Datsun >> 1985 >> Stanza GL, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.8L 4-CYL Turbo - VIN [C] & 2.0L 4-CYL - VINS [H,P] >> Engine Lubrication >> Oil Pump >> Inspection

Oil Pump: Inspection

Inspect pump body, cover, and inner and outer gears for cracks and excessive wear. If beyond wear limit replace entire pump assembly. Check oil pressure regulator valve sliding surface and valve spring. If damaged, replace valve set.

OIL PUMP SPECIFICATIONS

Application In. (mm)
Cresent-to-Outer Gear Clearance .0083-.0126 (.210-.320)
Crescent Gear-to-Inner Gear Clearance .0047-.0091 (.120-.230)
Inner/Outer Gear-to-Housing End Clearance .002-.004 (.05-.10)
Pump Body Bore-to-Outer Gear Clearance .004-.008 (.10-.20)
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