1. Remove the oil pan. (See OIL PAN REMOVAL/INSTALLATION [AJ (3.0L Duratec)].)
2. Remove the nuts, bolts, and oil strainer.
3. Remove the O-ring and inspect it. If it is damaged, dipose of it.
1. Install the O-ring. Install a new O-ring if necessary.
2. Install the oil strainer.
3. Install the oil pan. (See OIL PAN REMOVAL/INSTALLATION [AJ (3.0L Duratec)].)