Removal Procedure
- Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Remove the exhaust manifold pipe nuts.
- Lower the vehicle.
- Remove the spark plugs. Refer to Spark Plug Replacement in Engine Controls - 4.8L, 5.3L, and 6.0L.
- Remove the heat shield bolts (3) and shield (2) from the exhaust manifold (1).
- Remove the exhaust manifold bolts, manifold, and gasket.
- Discard the gasket.
- Clean and inspect the exhaust manifold. Refer to Exhaust Manifold Cleaning and Inspection in Engine Mechanical.