2008 6.6L Duramax – INTAKE MANIFOLD CLEANING AND INSPECTION

1. Clean the intake manifold crossover.
2. Clean the intake manifold mating surfaces.

3. Clean the intake manifolds.
4. Clean the intake manifold mating surfaces.
5. Inspect the intake manifolds for cracks.
6. Inspect the intake manifold mating surfaces for damage.
7. Replace the intake manifolds i f any damage is found.