Sierra Classic 2500 2WD V8-6.6L DSL Turbo (2007)
1. Install the exhaust manifold gasket to the cylinder head.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the bolt for the oil level indicator tube bracket.
Tighten the bolt to 21 Nm (15 ft. lbs.).
3. Install the exhaust manifold.
4. Install the exhaust manifold bolts/nuts.
5. Using the sequence shown, properly tighten the exhaust manifold bolts.
Tighten the bolt/nuts to 38 Nm (28 ft. lbs.).
6. Install the exhaust manifold heat shield.
7. Install the exhaust manifold heat shield bolts.
Tighten the bolts to 8 Nm (71 inch lbs.).
