2010 GMC Sierra 3500 HD Intake Manifold

You should install the upper intake manifold cover, the upper intake manifold cover nut until snug, the brake booster vacuum hose to the intake manifold nipple, and the intake manifold.

You should install a new washer and the oil pressure sensor, the O-ring seals to the cover, the engine valley cover bolts, and the intake manifold.

You should remove the air cleaner outlet duct, the generator, the engine harness retainer nut, the engine harness retainer from the stud and locator, the connector position assurance (CPA) retainer, the engine harness clip, the CPA retainer, the engine harness clip, the engine harness clip and bolt, the brake booster vacuum hose from the booster fitting, the positive crankcase ventilation (PCV) hose, the intake manifold, the intake manifold gaskets, the brake booster vacuum hose from the intake manifold nipple, the upper intake manifold cover nut, the upper intake manifold cover, the manifold absolute pressure (MAP) sensor retainer, the MAP sensor, the evaporative emission (EVAP) tube and purge solenoid, the throttle body bolts/nuts, the throttle body, the throttle body gasket, the fuel rail bolts, the fuel rail, the fuel injector lower O-ring seals and the brake booster vacuum hose nipple.

You should remove the intake manifold, the brake booster vacuum hose from the intake manifold nipple, the upper intake manifold cover nut, and the upper intake manifold cover.

You should open the hood, grasp the front of the intake manifold sight shield, disengage the grommets from the studs, and disengage the grommets from the studs and the intake manifold sight shield retainer bolts and retainer.