Intake Manifold
Install the lower intake manifold.
Notice: Failure to tighten vertical bolts before the diagonal bolts may cause an oil leak.
Apply sealant GM P/N United States 12345382, GM P/N Canada 10953489 to the threads of the bolts.
Install the lower intake manifold bolts.
Notice: Refer to Fastener Notice in Service Precautions.
Tighten the bolts in the sequence shown.
Tighten the lower intake manifold vertical bolts to 7 Nm (62 inch lbs.).
Tighten the lower intake manifold diagonal bolts to 13 Nm (115 inch lbs.).