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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1913 (Engine Lubrication System) >> Oil Pump >> Disassembly and Assembly >> Inspection After Disassembly >> Regulator Valve

Regulator Valve

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Visually inspect the components for wear and damage.
  2. Check the oil pressure regulator valve sliding surface and the regulator spring.
  3. Coat the regulator valve with engine oil. Check that the regulator valve falls smoothly into the valve hole by its own weight.
  4. If damaged, replace the regulator valve set or the oil pump body as necessary.
    Fig 1: Checking Oil Pressure Regulator Valve Sliding Surface And Regulator Spring
    G02411248Courtesy of NISSAN MOTOR CO., U.S.A.
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