Intake Manifold Torque
TIGHTENING SPECIFICATIONS
Upper Bolts 25 N.m (18 lb ft)
Lower Bolts
Apply sealant GM P/N 12345382 to the threads of the bolts.
Torque vertical bolts 13 N.m (115 lb in)
Torque diagonal bolts 13 N.m (115 lb in)
Notice: The OEM service manual does not provide a torque sequence for the upper or lower intake manifolds.