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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine - 3.0L ECOBOOST (2 Of 2)) >> Removal And Installation >> Valve Cover LH >> Removal

Valve Cover LH: Removal

WARNING: This page is about a different variant/trim than selected.
NOTE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan, can cause engine failure.
  1. Disconnect the battery ground cable. Refer to: Battery Disconnect and Connect .
  2. Remove the LH air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe LH .
    • Disconnect the crankcase pressure sensor electrical connector.

    GFD376893Courtesy of FORD MOTOR COMPANY
  4. Loosen the clamps and remove the upper CAC outlet pipe.
    GFD376584Courtesy of FORD MOTOR COMPANY
  5. Remove the throttle body. Refer to: Throttle Body .
    1. Disconnect the EVAP tube quick release coupling. Refer to: Quick Release Coupling .
    2. Disconnect the EVAP purge valve electrical connector.
    3. Lift the EVAP purge valve off of the intake manifold mounting tab.
    GFD376622Courtesy of FORD MOTOR COMPANY
  7. Disconnect the vacuum tube quick release couplings and position the tube aside. Refer to: Quick Release Coupling .
    GFD376586Courtesy of FORD MOTOR COMPANY
  8. Disconnect the engine wiring harness electrical connectors and retainers.
    GFD376623Courtesy of FORD MOTOR COMPANY
    1. Remove the vacuum harness pressure sensor bolt.
    2. Disconnect the wiring harness electrical connectors.
    3. Detach the wiring harness and vacuum harness retainers.
    GFD376624Courtesy of FORD MOTOR COMPANY
    1. Remove the ground wire bolt.
    2. Detach the retainers and position the ground wire aside.
    GFD376591Courtesy of FORD MOTOR COMPANY
  11. Detach the wiring harness retainers.
    GFD376625Courtesy of FORD MOTOR COMPANY

    • Disconnect the HO2S electrical connector.

    • Disconnect theCMP electrical connectors.

    • Detach the vacuum hose retainer.

    GFD376626Courtesy of FORD MOTOR COMPANY
    • Slide the insulator up to access the CHT electrical connector.

    • Disconnect the engine wiring harness electrical connectors and detach the harness and vacuum hose retainers.

    GFD376627Courtesy of FORD MOTOR COMPANY
  14. Detach the engine wiring harness and vacuum hose retainers.
    GFD376628Courtesy of FORD MOTOR COMPANY
  15. Remove the bolts and position TC boost solenoid aside.
    GFD376629Courtesy of FORD MOTOR COMPANY
  16. Disconnect the TC vacuum supply hose.
    GFD376630Courtesy of FORD MOTOR COMPANY
  17. Remove the LH coil-on-plug assemblies. Refer to: Ignition Coil-On-Plug .
  18. Remove the oil level indicator.
    GFD376914Courtesy of FORD MOTOR COMPANY
  19. Loosen the fasteners and remove the valve cover.
    GFD376644Courtesy of FORD MOTOR COMPANY
  20. Remove and discard the gasket.

    • Clean the valve cover gasket groove with soap and water or a suitable solvent.

    GFD376645Courtesy of FORD MOTOR COMPANY
  21. Inspect the spark plug seals. Remove any damaged seals using the special tools. Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 303-1247 VCT Spark Plug Tube Seal Remover and Installer.
    GFD376646Courtesy of FORD MOTOR COMPANY
  22. Clean and prepare the RTV sealing surface. Refer to: RTV Sealing Surface Cleaning and Preparation .
GFD376647Courtesy of FORD MOTOR COMPANY
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