Avalanche 4WD V8-5.3L (2011)
23. Install the intake manifold (500).
Note: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get
caught against the engine harness.
24. Tighten the intake manifold bolts (512) until snug.
25. Tighten the intake manifold bolts to specifications.
*
Tighten the bolts a first pass in the sequence shown to 5 Nm (44 lb in).
*
Tighten the bolts a final pass in the sequence shown to 10 Nm (89 lb in).
