gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Exhaust Manifold|Service and Repair > < Water Pump|Specifications|Page 4254
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Exhaust Manifold: Specifications

Right Exhaust Manifold Tightening Sequence

Exhaust Manifold Bolt/Nut .......................................................................................................................................................................  38 Nm (28 ft. lbs.)
Exhaust Manifold Heat Shield Bolts .......................................................................................................................................................  8 Nm (71 inch lbs.)
Exhaust Manifold Material ...................................................................................................................................................  Cast Nodular Iron & Steel Pipe
Surface Flatness - Production Value ....................................................................................................................................................  0.3 mm (0.0118 inch)

Exhaust Manifold|Service and Repair > < Water Pump|Specifications|Page 4254