i-350 L5-3.5L (2006)
2. Position the exhaust manifold to the cylinder head.
3. Apply threadlock GM P/N 12345493 (Canadian P/N 10953488) to the exhaust manifold bolt threads.
4. Install the exhaust manifold bolts.
Notice: Refer to Fastener Notice in Service Precautions.
5. Tighten the exhaust manifold bolts in sequence.
5.1.
Tighten the exhaust manifold bolts in sequence to 20 Nm (15 ft. lbs.).
5.2.
Tighten the exhaust manifold bolts in sequence to 20 Nm (15 ft. lbs.).
5.3.
Tighten the exhaust manifold bolts in sequence to 20 Nm (15 ft. lbs.).
6. Install the exhaust manifold heat shield.
7. Install the exhaust seal.