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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine - 3.0L ECOBOOST (Except Hybrid) (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.

    GFD259949Courtesy of FORD MOTOR COMPANY
  3. Loosen the clamps and remove the upper CAC outlet pipe.
    GFD259671Courtesy of FORD MOTOR COMPANY
  4. 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.
    GFD259708Courtesy of FORD MOTOR COMPANY
  5. Disconnect the vacuum tube quick release couplings and position the tube aside. Refer to: Quick Release Coupling .
    GFD259673Courtesy of FORD MOTOR COMPANY
  6. Disconnect the engine wiring harness electrical connectors and retainers.
    GFD259709Courtesy 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.
    GFD259710Courtesy of FORD MOTOR COMPANY
    1. Remove the ground wire bolt.
    2. Detach the retainers and position the ground wire aside.
    GFD259678Courtesy of FORD MOTOR COMPANY
  7. Detach the wiring harness retainers.
    GFD259711Courtesy of FORD MOTOR COMPANY
    • Disconnect the HO2S electrical connector.

    • Disconnect the CMP electrical connectors.

    • Detach the vacuum hose retainer.

    GFD259712Courtesy 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.

    GFD259713Courtesy of FORD MOTOR COMPANY
  8. Detach the engine wiring harness and vacuum hose retainers.
    GFD259714Courtesy of FORD MOTOR COMPANY
  9. Remove the bolts and position TC boost solenoid aside.
    GFD259715Courtesy of FORD MOTOR COMPANY
  10. Disconnect the TC vacuum supply hose.
    GFD259716Courtesy of FORD MOTOR COMPANY
  11. Remove the LH coil-on-plug assemblies. Refer to: Ignition Coil-On-Plug .
  12. Remove the oil level indicator.
    GFD259990Courtesy of FORD MOTOR COMPANY
  13. Loosen the fasteners and remove the valve cover.
    GFD259732Courtesy of FORD MOTOR COMPANY
  14. Remove and discard the gasket.

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

    GFD259733Courtesy of FORD MOTOR COMPANY
  15. 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.
    GFD259734Courtesy of FORD MOTOR COMPANY
  16. NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.

    Clean the valve cover mating surface of the cylinder head and engine front cover. Refer to: RTV Sealing Surface Cleaning and Preparation . Use the General Equipment: Plastic Scraper

    Material: Motorcraft ® Silicone Gasket Remover / ZC-30-A

    Material: Motorcraft ® Metal Surface Prep Wipes / ZC-31-B

    Material: Motorcraft ® Metal Brake Parts Cleaner / PM-4-A, PM-4-B

GFD259735Courtesy of FORD MOTOR COMPANY