gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Intake Manifold Torque and Sequence|Page 2622 > < Engine - Intake Manifold Inspection/Replacement|Page 2619
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Intake Manifold: Specifications
Intake Manifold Torque and Sequence

DIMENSIONS

Surface Flatness (Maximum) .........................................................................................................................................................  0.254 mm (0.010 inch)

TIGHTENING SPECIFICATIONS

Tightening Sequence

Lower Intake Manifold Bolts: 

First Pass .......................................................................................................................................................................................  3 Nm (27 inch lbs.)
Second Pass ...............................................................................................................................................................................  12 Nm (106 inch lbs.)
Final Pass ........................................................................................................................................................................................  15 Nm (11 ft. lbs.)

Upper Intake Manifold Bolts and Studs: 

First Pass .......................................................................................................................................................................................  5 Nm (44 inch lbs.)
Final Pass ....................................................................................................................................................................................  10 Nm (88 inch lbs.)

 

Intake Manifold Torque and Sequence|Page 2622 > < Engine - Intake Manifold Inspection/Replacement|Page 2619