Exhaust Manifold Installation (Right)

1. With the manifold still on the bench, position a new manifold gasket in place on the manifold sealing surface.
2. Install two outer manifold bolts in the manifold to retain the gasket.
3. Using two hands, position the manifold and gasket onto the cylinder head.
4. Hold the manifold with one hand and draw up the bolts at the crossover pipe joint.
5. Hand tighten the two outer manifold bolts.
6. Install the remaining manifold retaining bolts.
^ Tighten the exhaust manifold retaining bolts to 24 Nm (18 ft. lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.

7. Coat the oxygen sensor threads with high temperature anti-seize, GM P/N 5613695, or equivalent.
8. Install the oxygen sensor.
^ Tighten the oxygen sensor to 40 Nm (30 ft. lbs.).