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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 3.5L) >> In-Vehicle Repair >> Valve Cover - LH >> Valve Cover - LH (View 2 of 2) >> Removal

Valve Cover - LH (View 2 of 2): 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, may cause engine failure.
  1. Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION AND FILTERING - 3.5L .
  2. Remove the LH ignition coils. For additional information, refer to ENGINE IGNITION - 3.5L .
  3. Remove the oil level indicator.
  4. Disconnect the LH Variable Camshaft Timing (VCT) solenoid electrical connector.
  5. Detach the 2 wiring harness retainers.
    Fig 1: Location of Wiring Harness Retainers
    G08020633Courtesy of FORD MOTOR CO.
  6. Disconnect the 2 engine control wiring harness electrical connectors.
    Fig 2: Location of Engine Control Wiring Harness Electrical Connectors
    G08020634Courtesy of FORD MOTOR CO.
  7. Remove the 2 nuts and the wiring harness retaining bracket.
    Fig 3: Location of Nuts And Wiring Harness Retaining Bracket
    G08020635Courtesy of FORD MOTOR CO.
  8. Detach all of the wiring harness retainers from the valve cover and the stud bolts.
  9. Disconnect the 3 LH fuel injector electrical connectors.
  10. Loosen the 9 stud bolts and remove the LH valve cover.
    • Discard the gasket.
  11. NOTE: VCT solenoid seal removal shown in illustration, spark plug tube seal removal similar.
  12. Inspect the VCT solenoid seals and the spark plug tube seals. Remove any damaged seals.
    • Using the VCT Spark Plug Tube Seal Remover and Handle, remove the seal(s).
      Fig 4: Removing Seal Using VCT Spark Plug Tube Seal Remover And Handle
      G08020636Courtesy of FORD MOTOR CO.
  13. Clean the valve cover, cylinder head and engine front cover sealing surfaces with metal surface prep.