Relief Valve

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.

Check relief valve with the following procedure.

Press steel ball of relief valve using a clean plastic stick. Check that valve moves smoothly and proper spring repulsion is felt.
Replace relief valve, if necessary, with the following procedure.
- Remove the relief valve by prying using a screwdriver.
  CAUTION: Be careful not to damage the mounting hole.
- Press in the relief valve until it reaches a depth of 7 mm (0.28 in) from end surface of oil pan (upper) using approximately 12 mm (0.47 in) diameter drift.
  CAUTION: Carefully press in the relief valve by aligning its mounting hole side with the axle center so as not to cause deformation.