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Home >> Kia >> 2009 >> Optima EX, 2.7 4 >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Lubrication System - 2.7L >> Repair Procedures >> Inspection >> Relief Spring

Relief Spring

  1. Check the relief plunger.

    Apply engine oil on the plunger and check that it moves smoothly in the hole. If it does not, replace the plunger or the front case only in necessary cases.

  2. Check the relief valve spring.

    Check deformation or damage of the relief valve spring.

    Specification 

    Free length: 43.8mm (1.7244in.)

    Load: 36.3N (3.7kg, 8.21b)±3.9N (0.4kg, 0.9lb)/40.1mm (1.5787in.)

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