81. Exhaust Manifold Installation - Left

Exhaust Manifold Installation - Left





1. Install the LH side exhaust manifold gasket.
2. Install the LH side exhaust manifold.

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the LH side exhaust manifold nuts.
Tighten the LH side exhaust manifold nuts to 20 Nm (15 ft. lbs.).





4. Install the AIR pipe (2) to the LH side exhaust manifold.
5. Coat the AIR pipe bolts (1) with high temperature nickel anti-seize lubricant, GM P/N 12371386 or equivalent.
6. Install the AIR pipe bolts.
Tighten the AIR pipe bolts to 20 Nm (15 ft. lbs.).
7. Install the LH side exhaust manifold heat shields.
8. Coat the exhaust manifold heat shield bolts with high temperature nickel anti-seize lubricant, GM P/N 12371386 or equivalent.
9. Install the LH side exhaust manifold heat shield bolts.
Tighten the exhaust manifold heat shield bolts to 8 Nm (71 inch lbs.).