Catalytic Converter - Installation
5.7L ENGINE
1. Position the front exhaust pipe/catalytic converter assembly (1) into vehicle.
2. Install the nuts (3) at the front exhaust pipe/catalytic converter assembly to muffler flange at the exhaust manifold (4).
3. Install the bolts (2) at the front exhaust pipe/catalytic converter assembly (4) to exhaust manifold flange. Do not tighten.
4. Tighten the front exhaust pipe and catalytic converter assembly to muffler flange (2) nuts to 47 Nm (35 ft. lbs.) torque.
5. Position the exhaust pipe for proper clearance with the frame and underbody parts. A minimum clearance of 25.4 mm (1.0 in.) is required.
6. Tighten front exhaust pipe/catalytic converter assembly to exhaust manifold bolts (2) to 30 Nm (22 ft. lbs.) torque.
7. Install the oxygen sensor's Oxygen Sensor - Installation.
8. If equipped, Install the heat shield for the front drive shaft.
9. Install transmission crossmember reinforcement brackets (1, 4). Tighten bolts to 55 Nm (41 ft. lbs.).
10. If equipped, install skid plates Skid Plate - Installation.
11. Lower vehicle.
12. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.