Sierra 1500 4WD V8-6.0L (2007)
3. Install NEW fuel injector lower O-ring seals onto the injectors.
4. Lubricate the NEW O-ring seals with clean engine oil.
Important: Push down firmly on both sides of the rail until all the injectors have been seated into their bores.
5. Install the fuel rail.
Notice: Refer to Fastener Notice.
6. Install the fuel rail bolts.
Tighten the bolts to 10 N.m (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.
