Removal

1. Disconnect negative battery cable from battery.
2. Release fuel system pressure. Refer to Powertrain Management.
3. If lower intake manifold is to be removed, drain cooling system.
4. Remove engine cover from top of intake manifold plenum.





5. Remove accelerator cable and speed control cable from throttle arm.





6. Disconnect electrical connectors from idle air control motor, and intake air temperature.
7. Remove ground screw from intake manifold.
8. Disconnect vacuum hose from manifold tuning valve.





9. Disconnect electrical connector from Manifold Absolute Pressure (MAP) sensor.





10. Disconnect electrical connector from throttle position sensor.
11. Disconnect purge hose from throttle bodies.





12. Disconnect PCV makeup air hose and idle air control motor supply hose (part of air inlet plenum). Remove air inlet plenum from behind manifold.
13. Disconnect PCV hose, brake booster hose and vacuum hoses from intake manifold.





14. Remove EGR tube mounting bolts at intake manifold plenum Discard gaskets.





15. Remove air plenum support bracket bolt on each side of manifold.





16. Remove intake manifold plenum mounting bolts. The plenum uses two different length bolts.
17. Remove intake manifold plenum. Discard gaskets. Cover the intake manifold openings with tape.
18. Remove upper radiator hose from thermostat housing and heater hose from rear of intake manifold.





19. Remove intake manifold attaching bolts.