gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 2827 > < Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 2825

Sierra 2500 Denali 2WD V8-6.0L (2011)

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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).

Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 2827 > < Catalytic Converter Replacement (Gen IV Engines with Exhaust Clamp)|Page 2825