Skylark V6-3100 3.1L VIN M SFI (1996)
Intake Manifold: Specifications
Lower Intake Manifold Torque
Apply sealant GM P/N 12345739 to the threads of the bolts.
First tighten vertical bolts to 13 Nm (115 lb in).
Second tighten diagonal bolts to 13 Nm (115 lb in).
Notice: The OEM service manual does not provide a torque sequence for the upper or lower intake manifolds.