Oil Pressure Regulator Valve: Service and Repair

Oil Pressure Relief Valve Assembly, Renew

- Remove the oil pan.




- 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).

- Check the valve spring and mandrel for wear, scoring or pitting, renew if damaged.

- Measure the components against the specifications listed in Service Data under Engine, Specifications.

- If any of the components are suspect, they must be renewed.

- Lubricate and assemble the mandrel, spring and valve.

- Fit and tighten the relief valve screw cap.

- Refit the oil pan.