Replace the V6 Lincoln LS Intake Manifold

By Quik LS, Jul 12, 2017 | |
  1. Quik LS
    Submitted by: Quik LS

    You must remove the V6 intake when changing spark plugs, replacing coils or replacing the PCV valve.

    Intake Manifold -Upper
    Removal
    1. Disconnect the battery ground cable.
    2. Drain the engine cooling system.
    3. Remove the engine appearance cover.
    image001.gif
    4. Remove the air cleaner outlet tube.
    5. Disconnect the throttle position (TP) sensor and the idle air control (IAC) solenoid electrical connectors.
    image002.gif
    6. Disconnect the accelerator and speed control cables.
    image003.gif
    7. Remove the cable bracket.
    1. Remove the bolts.
    2. Remove the bracket.
    image004.gif
    8. Disconnect the throttle body hoses.
    1. Disconnect the coolant hoses.
    2. Disconnect the positive crankcase ventilation (PCV) hose.
    3. Disconnect the vapor purge hose.
    image005.gif
    9. Disconnect the vacuum hose.
    image006.gif
    10. Disconnect the EGR to exhaust manifold tube nut.
    image007.gif
    11. Remove the cowl vent screen.
    12. Remove the brace.
    image008.gif
    13. Remove the vacuum hoses from the mounting bracket.
    image009.gif
    14. Remove the bracket and position the accelerator and cruise control cables aside.
    image010.gif
    15. Disconnect the differential pressure feedback EGR electrical connector.
    image011.gif
    16. Remove the stud and nut and position the differential pressure feedback EGR transducer aside.
    image012.gif
    17. Remove the fuel pressure sensor shield.
    • Remove the nut.
    • Remove the bolts.
    • Remove the shield.
    image013.gif
    18. Disconnect the vacuum hose from the rear of the upper intake manifold.
    image014.gif
    19. Disconnect the intake manifold tuning valve (IMTV) electrical connector.
    image015.gif
    20. Disconnect the exhaust vacuum regulator (EVR).
    • Disconnect the electrical connector.
    • Disconnect the vacuum line.

    image016.gif
    21. Remove the upper intake support bolt.

    image017.gif
    22. Remove the front intake manifold support bolt.
    image018.gif
    23. Remove the bolts and the upper intake manifold.
    • Inspect the gaskets and discard as necessary.
    image019.gif


    Installation
    1. Position the upper intake manifold and gaskets.
    image020.gif
    2. Install the fuel pressure sensor shield.
    • Position the shield.
    • Install the nut.

    image021.gif
    3. Install the upper intake manifold bolts and tighten in the sequence shown.
    image022.gif
    4. Position the differential pressure feedback EGR and install the nut and stud.
    image023.gif
    5. Install the upper intake manifold support bolt.
    image024.gif
    6. Install the upper intake support bolt.
    image025.gif

    7. Connect the exhaust vacuum regulator (EVR).
    • Connect the electrical connector.
    • Connect the vacuum line.

    image016.gif
    8. Connect the intake manifold tuning valve (IMTV) electrical connector.
    image015.gif
    9. Connect the vacuum hose to the rear of the upper intake manifold.
    image014.gif
    10. Position the differential pressure feedback EGR electrical connector.
    image023.gif
    11. Connect the differential pressure feedback EGR electrical connector.
    image011.gif
    12. Position the accelerator and cruise control cables and install the bracket.
    image026.gif
    13. Clip the vacuum hoses into the mounting bracket.
    image009.gif
    14. Install the brace.
    image027.gif
    15. Install the cowl vent screen.
    16. Connect the EGR to exhaust manifold tube nut.
    image028.gif
    17. Connect the vacuum hose.

    18. Connect the throttle body hoses.
    1. Connect the coolant hoses.
    2. Connect the PCV hose.
    3. Connect the vapor purge hose.
    [​IMG]
    19. Install the cable bracket.
    1. Position the bracket.
    2. Install the bolts.
    image029.gif
    20. Connect the accelerator and speed control cables.
    image003.gif
    21. Connect the TP sensor and the IAC solenoid electrical connectors.
    image002.gif
    22. Install the air cleaner outlet tube.
    23. Install the engine appearance cover.
    image001.gif
    24. Fill the engine cooling system.
    25. Connect the battery ground cable.

Comments

To make a comment simply sign up and become a member!