Sierra 3500 Denali 4WD V8-6.0L (2011)
5. Remove the exhaust manifold pipe to exhaust manifold nuts (1) and replace the seal (2) with a NEW one.
6. Remove the right catalytic converter (3) from the exhaust manifold studs with the nuts (1).
GMC Workshop Service and Repair Manuals
Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 4252 >
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