Silverado 1500 4WD V8-6.0L (2010)
42. Remove the throttle body bolts/nuts.
43. Remove the throttle body.
44. Remove and discard the throttle body gasket.
45. Remove the fuel rail bolts.
Note: Lift evenly on both sides of the fuel rail until all injectors are removed from their bores.
46. Remove the fuel rail.
47. Remove and discard the fuel injector lower O-ring seals.
