Nissan 100NX N14 silhouetteN14

Oil Pump

LC-12parts diagram

ENGINE LUBRICATION SYSTEM

Oil Pump

Parts DiagramFig. SLC497A
Parts diagram
#Part NameNotes
1ScrewTightening torque 3.7 - 5.0 N·m (0.38 - 0.51 kg-m, 2.7 - 3.7 ft-lb)
2Oil pump cover—
3BoltTightening torque 6.3 - 8.3 N·m (0.64 - 0.85 kg-m, 4.6 - 6.1 ft-lb)
4Inner gear—
5Outer gear—
6Front coverApply liquid gasket
7Regulator valve—
8Spring—
9Washer—
10PlugTightening torque 39.2 - 58.8 N·m (4.00 - 6.00 kg-m, 28.9 - 43.4 ft-lb)

REGULATOR VALVE INSPECTION

  1. 1
    Visually inspect components for wear and damage.
    Cross-section illustration of the regulator valve assembly showing the regulator valve, spring, washer and cap installed in the bore.
    SLC172A
  2. 2
    Check oil pressure regulator valve sliding surface and valve spring.
  3. 3
    Apply regulator valve with engine oil and check that it falls smoothly into the valve hole by its own weight.

OIL PRESSURE RELIEF VALVE INSPECTION

Inspect oil pressure relief valve for movement, cracks and breaks by pushing the ball. If replacement is necessary, remove valve by prying it out with suitable tool. Install a new valve in place by tapping it.
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