Sierra 1500 2WD V8-5.3L VIN B HO (2006)
5. Install the left exhaust manifold pipe nuts until snug.
6. Tighten the exhaust manifold pipe nuts.
Tighten
Tighten the nuts to 50 Nm (39 lb ft).
GMC Workshop Service and Repair Manuals
Exhaust System - Catalytic Converter Precautions|Page 4980 >
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