Installation
5.7L ENGINE
1. Install catalytic converter to exhaust clamp (4) on catalytic converter (3) and position into exhaust pipe (5).
2. Make sure the alignment tang on catalytic converter (3) is fully seated in the notch on the exhaust pipe (5).
3. Install catalytic converter to exhaust manifold bolts (2) and nuts (1).
4. Tighten catalytic converter to exhaust manifold bolts (2) to 31 Nm (23 ft. lbs.).
5. Tighten catalytic converter to exhaust pipe clamp nuts (4) to 52 Nm (40 ft. lbs.) torque.
6. Check the exhaust system for contact with the body panels. A minimum of 25 mm (1.0 in.) is required between the exhaust system components and body/frame parts. Make the necessary adjustments, if needed.
7. Lower the vehicle.
8. Start the engine and inspect for exhaust leaks. Repair exhaust leaks as necessary.