Upper Intake Manifold
NOTE:
Prior to installing the upper intake manifold, verify that the four fuel rail bolts were not inadvertently loosened. Refer to RAIL, FUEL, INSTALLATION .
NOTE:
Make sure the fuel injectors and wiring harnesses are in the correct position so that they don't interfere with the upper intake manifold installation.
- Clean and inspect the sealing surfaces (1) and if required install NEW upper to lower intake manifold seals (2).
- If removed install the throttle body and tighten the throttle body bolts to the proper specifications. Refer to TORQUE SPECIFICATIONS .
- If removed install the EGR valve and tighten the EGR valve bolts to the proper specifications. Refer to TORQUE SPECIFICATIONS - EXHAUST GAS RECIRCULATION
.
- Position the upper intake manifold onto the lower intake manifold so that the two locating posts on the upper intake manifold align with corresponding holes in the lower intake manifold.
- Using the tightening sequence shown, tighten the upper intake manifold bolts to the proper specifications. Refer to TORQUE SPECIFICATIONS .
- Connect the throttle body wiring harness connector and attach the wire harness retainer.
- Install the front support bracket bolts (2) that secure intake manifold and tighten to the proper specifications. Refer to TORQUE SPECIFICATIONS .
- Install the rear support bracket (5) and tighten the bolt (6) and nut (4) to the proper specifications. Refer to TORQUE SPECIFICATIONS .
- Attach the wiring harness retainer to the rear support bracket (5).
- Install the EGR tube. Refer to TUBE, EXHAUST GAS RECIRCULATION (EGR), CROSSOVER, INSTALLATION
.
- Connect the EGR temperature sensor wiring harness connector (1) and attach the wire harness retainer.
- Install the radiator crossmember. Refer to CROSSMEMBER, RADIATOR, INSTALLATION
.
- Install the bolt (2) securing evaporative hoses (1) to the intake manifold and engage clip (3).
- Connect the MAP sensor wire harness connector (5) and install the wire harness retainer (4) to the intake manifold.
- Connect the PCV valve quick-connect fitting (3).
- Install the clip (1) securing the wiring harness to the intake manifold.
- Install the purge solenoid. Refer to SOLENOID, EVAPORATIVE EMISSIONS PURGE, INSTALLATION .
- Install the air cleaner resonator. Refer to RESONATOR, AIR CLEANER, INSTALLATION .