XJ-6 (X300) L6-4.0L (AJ16) (1996)
Oil Pressure Regulator Valve: Service and Repair
Oil Pressure Relief Valve Assembly, Renew
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Remove the oil pan.
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Remove oil pressure relief valve screw cap (1 Fig. 1) and collect spring (2 Fig. 1), valve (4 Fig. 1), and mandrel (3 Fig. 1).
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Check the valve spring and mandrel for wear, scoring or pitting, renew if damaged.
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Measure the components against the specifications listed in Service Data under Engine, Specifications.
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If any of the components are suspect, they must be renewed.
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Lubricate and assemble the mandrel, spring and valve.
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Fit and tighten the relief valve screw cap.
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Refit the oil pan.