Colorado 4WD V8-5.3L (2010)
3. Install the catalytic converter to exhaust manifold nuts (2) and tighten to 50 Nm (37 lb ft.
2. If removing the left side seal, perform the following:
1. Position the catalytic converter rearward enough in order to allow clearance to install the seal.
2. Install a NEW exhaust manifold seal (2).
3. Install the catalytic converter to exhaust manifold nuts (1) and tighten to 50 Nm (37 lb ft).
3. Connect the muffler assembly to the catalytic converters. Refer to Exhaust Muffler Replacement (LLV/LLR) (See: Muffler/Service and Repair)
Exhaust Muffler Replacement (LH9) (See: Muffler/Service and Repair).
4. Lower the vehicle.
5. Inspect for exhaust leaks.
