Oil Seal: Replacement: Notes
WARNING: This page is about a different car, the 2002 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When removing the oil pans, oil pump assembly and timing chain from engine, first remove the camshaft position sensor (PHASE), intake valve timing control position sensor and the crankshaft position sensors (REF)/(POS) from the assembly. Be careful not to damage sensor edges.