Sierra 2500 Denali 2WD V8-6.0L (2011)
6. Remove the exhaust manifold pipe to exhaust manifold nuts (1) and replace the seal (2) with a NEW one.
7. Remove the right catalytic converter (3) and seal (2), from the exhaust manifold with the bolts (1).
6. Remove the exhaust manifold pipe to exhaust manifold nuts (1) and replace the seal (2) with a NEW one.
7. Remove the right catalytic converter (3) and seal (2), from the exhaust manifold with the bolts (1).