Intake Manifold: Installation
- Clean all gasket surfaces.
- Replace intake manifold gasket.
- Install intake manifold. Tighten fasteners to 23 N.m (200 in. lbs.).
- If removed, install the fuel rail assembly to intake manifold. Tighten screws to 23 N.m (200 in. lbs.).
- Inspect fuel supply line quick connect fitting for damage, replace if necessary, refer to FUEL DELIVERY STANDARD PROCEDURE . Lubricate tube with clean engine oil. Connect fuel supply line to fuel rail assembly. Check connection by pulling on connector to insure it locked into position (Figure).
- Connect MAP sensor electrical connector (Figure).
- Connect fuel injector electrical connectors (Figure). Clip injector wiring harness to fuel rail.
- Install intake manifold support bracket. Tighten fasteners to 23 N.m (200 in. lbs.) (Figure).
- Connect Throttle Position Sensor (TPS) and Idle Air Control (IAC) motor electrical connectors.
- Connect throttle cable to throttle body.
- Connect vacuum hoses to throttle body and intake manifold.
- Connect charge air cooler to throttle body hose (Figure).
- Install fuel rail trim cover by pushing it over fuel rail studs (Figure).
- Connect negative cable to battery.
- With the DRBIII® scan tool use ASD Fuel System Test to pressurize the fuel system to check for leaks.
CAUTION:
When using the ASD Fuel System Test, the Auto Shutdown (ASD) relay will remain energized for 7 minutes or until the ignition switch is turned to the OFF position, or Stop All Test is selected.