Avalanche 4WD V8-5.3L (2011)
3. Remove the throttle body nuts (507) and bolts (538).
4. Remove the throttle body (508).
5. Remove and discard the throttle body gasket (509).
Installation Procedure
1. Install a NEW throttle body gasket to the intake manifold. Align the tab of the gasket with the notch in the manifold.
Caution: Refer to Fastener Caution See: Service Precautions/Vehicle Damage Warnings/Fastener Caution.
2. Install the throttle body (508), bolts (538), and nuts (507) and tighten to 10 Nm (89 lb in).