Silverado 1500 4WD V8-6.0L Hybrid (2009)
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).
Tighten the bolts/nuts to 10 Nm (89 lb in).
