Exhaust Manifold Replacement for Chevrolet Kodiak C-Series Commercial (Cutaway) C6/C7/C8 2005

Exhaust Manifold Replacement 7.8L With CTF

1. Remove the front exhaust pipe. Refer to Front Pipe Replacement .
2. Remove the exhaust gas recirculation (EGR) pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .
3. Remove the 2 heat shield bolts.
4. Remove the turbocharger. Refer to Turbocharger Replacement .



5. Remove the exhaust manifold nuts (1-12), washers, spacers and heat shield.
6. Remove the exhaust manifold with the gasket.

1. Install the exhaust manifold and gasket to the cylinder head.
2. Install the exhaust manifold nuts, washers, spacers and the heat shield.
3. Install the 2 heat shield bolts.
4. Install the EGR pipe. Refer to Exhaust Gas Recirculation Pipe Replacement .

Notice: Refer to Fastener Notice in the Preface section.

5. Tighten the exhaust manifold nuts in the proper sequence.

Tighten

•	Tighten the nuts (7, 12) to 34 N·m (25 lb ft).

•	Tighten the nuts (1-6, 8-11) to 55 N·m (41 lb ft).

6. Install the turbocharger. Refer to Turbocharger Replacement .
7. Install the front exhaust pipe. Refer to Front Pipe Replacement .