Century V6-3100 3.1L VIN M SFI (1998)
Intake Manifold: Specifications
Lower Intake Manifold Torque and Sequence
Apply sealer GM P/N 12345382 or equivalent to the lower intake manifold bolt threads.
Notice: Failure to tighten vertical bolts before the diagonal bolts may cause an oil leak.
Tighten the bolts in sequence to 13 Nm (115 inch lbs.).
