CTS RWD V6-3.6L (2008)
6. Cclip the engine harness from the left side of the intake manifold.
7. Connect the positive crankcase ventilation (PCV) hose (1) to the intake manifold (3).
8. Position the intake manifold brace.
9. Install the intake manifold brace bolts (1).
Tighten the intake manifold brace bolts to 23 N.m (17 lb ft).