1. Remove the catalytic converter. (See CATALYTIC CONVERTER REMOVAL/INSTALLATION [YF (2.0L Zetec)].)
2. Drain the engine oil.
3. Remove the 17 bolts and the oil pan.
1. Clean and inspect the mounting faces of both the oil pan and the cylinder block.
2. Install the oil pan. Tighten the bolts using the sequence shown in two stages:
• Stage 1: Tighten to 6 N·m {61 kgf·cm, 53 in-lbf}.
• Stage 2: Tighten to 12 N·m {122 kgf·cm, 106 in-lbf}.
3. Install the catalytic converter. (See CATALYTIC CONVERTER REMOVAL/INSTALLATION [YF (2.0L Zetec)].)
4. Fill the crankcase with engine oil.