Installation Procedure

Install the assembly parts to the intake manifold as necessary. Refer to Intake Manifold Assemble .
Clean the sealing surfaces.
Install the intake manifold (1) along with a NEW intake manifold gasket.

Fig 1: Intake Manifold
Courtesy of GENERAL MOTORS COMPANY
Install the 6 intake manifold bolts (1) and tighten to 20 N.m (15 lb ft).

Fig 2: Intake Manifold Bolts
Courtesy of GENERAL MOTORS COMPANY

CAUTION: Refer to Fastener Caution .

NOTE: Install the fuel rail ground strap to the appropriate intake manifold bolt.
Connect the fuel ventilation pipe (1) to the evaporative emission canister purge solenoid valve.

Fig 3: Fuel Ventilation Pipe
Courtesy of GENERAL MOTORS COMPANY
Clip in the fuel ventilation pipe to retainer clip.
Connect the positive crankcase ventilation pipe to the intake manifold. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Connect the fuel feed pipe (1) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .

Fig 4: Fuel Feed Pipe
Courtesy of GENERAL MOTORS COMPANY
Clip in the fuel feed pipe to retainer clip.
Connect the brake booster vacuum pipe (1) to the intake manifold.

Fig 5: Brake Booster Vacuum Pipe
Courtesy of GENERAL MOTORS COMPANY
Install fuel injector rail cap (1).

Fig 6: Fuel Injector Rail Cap
Courtesy of GENERAL MOTORS COMPANY
Connect the turbocharger wastegate regulator solenoid valve wiring harness plug (3).

Fig 7: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Plug, Intake Manifold And Fuel Injection Rail Retainer Clips
Courtesy of GENERAL MOTORS COMPANY
Clip in the engine control module wiring harness to 2 intake manifold retainer clips (2) and from 2 fuel injection rail retainer clips (1).
Clip in the engine control module wiring harness to the camshaft cover.

Fig 8: Wiring Harness Plugs
Courtesy of GENERAL MOTORS COMPANY
Connect the 4 fuel injector wiring harness plugs (4).
Connect the 2 manifold absolute pressure sensor wiring harness plugs (1) and (2).
Connect the evaporative emission canister purge solenoid valve wiring harness plug (3).
Connect the throttle body wiring harness plug (1).

Fig 9: Throttle Body Wiring Harness Plug
Courtesy of GENERAL MOTORS COMPANY
Install the charge air cooler outlet air hose to the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement (Manual Transmission) and Charge Air Cooler Outlet Air Hose Replacement (Automatic Transmission) .
Clip in the heater outlet hose to retainer clip (1).

Fig 10: Heater Outlet Hose And ECM Wiring Harness Retainer Clips
Courtesy of GENERAL MOTORS COMPANY
Clip in the engine control module wiring harness to 2 retainer clips (2).
Install the engine sight shield.
Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .