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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 4.8L, 5.3L, And 6.0L (1 Of 4)) >> Description and Operation >> Engine Component Description >> Intake Manifold

Intake Manifold

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The intake manifold is a 1-piece composite design that incorporates brass threaded inserts for mounting the fuel rail, throttle body, evaporative (EVAP) emission canister purge solenoid valve and wire harness stud. Each side of the intake manifold is sealed to the cylinder head by a nonreusable silicone sealing gasket and nylon carrier assembly. The electronically actuated throttle body bolts to the front of the intake manifold. The throttle body is sealed by a 1-piece push in place silicone gasket. The fuel rail assembly, with 8 separate fuel injectors, is retained to the intake by 4 bolts. The injectors are seated into their individual manifold bores with O-ring seals to provide sealing. A fuel rail stop bracket is retained to the rear of the left cylinder head by a mounting bolt. The manifold absolute pressure (MAP) sensor is installed and retained to the top rear of the intake manifold and sealed by an O-ring seal. The EVAP solenoid valve is mounted to the top front of the intake manifold and retained by 1 bolt. There are no coolant passages within the intake manifold.

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