C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
10. Remove the exhaust manifold gasket from the cylinder head.
11. Clean and check the gasket mating surface and the cylinder head. Refer to Exhaust Manifold Clean and Inspect (without RPO K19).
INSTALLATION PROCEDURE
IMPORTANT: Install the exhaust manifold gasket with the stamped 7.4 facing away from the cylinder head.
1. Install the exhaust manifold gaskets to the cylinder heads.
2. Install the left side exhaust manifold to the cylinder head. Refer to Exhaust Manifold Installation (Left).
3. Install the right side exhaust manifold to the cylinder head. Refer to Exhaust Manifold Installation (Right).
4. Install the left side spark plug heat shields.
5. Install the right side spark plug heat shields.
6. Install the oil level indicator tube to the exhaust manifold. Refer to Oil Level Indicator and Tube Replacement
7. Install the spark plugs to the cylinder head. Refer to Spark Plug Replacement in Powertrain Management.
8. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting.
9. Install the exhaust pipes to the exhaust manifolds. Refer to Exhaust Manifold Pipe Replacement (Diesel) in Exhaust System.
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For vehicle under 8600 GVWR, refer to Catalytic Converter Replacement (Gas, below 8600 lb (GVWR)) in Powertrain Managements.
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For vehicles above 8600 GVWR, refer to Catalytic Converter Replacement (Gas, 8600 lb and above (GVWR)) in Powertrain Managements.
10. Lower the vehicle. Refer to Vehicle Lifting.
