96. Exhaust Manifold Installation
Exhaust Manifold Installation
1. Install a new exhaust manifold gasket.
2. Install the exhaust manifold.
3. Add threadlock GM P/N 12345493 (Canadian P/N 10953488) to the exhaust manifold bolt threads.
4. Install the exhaust manifold bolts.
Caution: Refer to Fastener Caution (Fastener Caution).
5. Tighten the exhaust manifold bolts in sequence and tighten to 20 Nm (15 lb ft). Repeat bolt tightening in sequence 2 additional passes.
6. Install the exhaust manifold heat shield studs, if required. Tighten the exhaust manifold heat shield studs to 10 Nm (89 lb in).
7. Install the exhaust manifold heat shield.
8. Add anti-seize GM P/N 12371386 (Canadian P/N 993128) to the exhaust manifold heat shield nuts.
9. Install the exhaust manifold heat shield nuts and tighten to 10 Nm (89 lb in).