Sierra Denali RWD V8-6.2L (2009)
3. Install NEW fuel injector lower O-ring seals onto the injectors.
4. Lubricate the NEW O-ring seals with clean engine oil.
Note
Push down firmly on both sides of the rail until all the injectors have been seated into their bores.
5. Install the fuel rail.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
6. Install the fuel rail bolts and tighten to 10 Nm (89 lb in) .
7. Install a NEW throttle body gasket to the intake manifold.
8. Install the throttle body.
9. Install the throttle body bolts/nuts and tighten to 10 Nm (89 lb in) .