Avalanche 1500 4WD V8-5.3L (2007)
44. Remove the fuel rail bolts.
Important: Lift evenly on both sides of the fuel rail until all injectors are removed from their bores.
45. Remove the fuel rail.
46. Remove and discard the fuel injector lower O-ring seals.
Important: Evenly push in the RED collar in order to remove the nipple.
47. Remove the brake booster vacuum hose nipple.
Installation Procedure
