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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.5L-Ti-VCT >> Removal And Installation >> Valve Cover - LH >> Installation

Valve Cover - LH: Installation

  1. NOTE: Installation of new seals is only required if damaged seals were removed.

    Using 303-1247/2  and 205-153  (T80T-4000-W) install the new spark plug tube seal(s).

    Fig 1: Installing Spark Plug Tube Seal Using Tool
    G08028911Courtesy of FORD MOTOR CO.
  2. NOTE: Installation of new seals is only required if damaged seals were removed.

    Using 205-142  (T80T-4000-J) and 205-153  (T80T-4000-W) install the new VCT seal(s).

    Fig 2: Installing Damaged VCT Seal Using Tool
    G08028912Courtesy of FORD MOTOR CO.
  3. NOTE: Failure to use Motorcraft® High Performance Engine RTV Silicone may cause the engine oil to foam excessively and result in serious engine damage.
    NOTE: If the valve cover is not installed and the fasteners tightened within 4 minutes, the sealant must be removed and the sealing area cleaned. To clean the sealing area, use Motorcraft® Silicone Gasket Remover and Motorcraft® Metal Surface Prep. Failure to follow this procedure can cause future oil leakage.

    Apply an 8 mm (0.315 in) bead of Motorcraft® High Performance Engine RTV Silicone to the engine front cover-to-LH cylinder head joints.

    Fig 3: Applying Bead Of Motorcraft® High Performance Engine RTV Silicone To Engine Front Cover
    G08028913Courtesy of FORD MOTOR CO.
  4. Using a new gasket, install the LH valve cover and tighten the 4 bolts and 7 stud bolts.
    • Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
    Fig 4: Identifying LH Valve Cover Bolts Tightening Sequence
    G08028914Courtesy of FORD MOTOR CO.
  5. Ensure the VCT seals in the valve cover are below the top of the connector (flat portion) on the VCT oil control valve otherwise the interface may leak.
    Fig 5: Locating VCT Seals
    G08028915Courtesy of FORD MOTOR CO.
  6. Install the engine wiring harness to the LH valve cover.
    • Position the wiring harness and attach the 11 wiring harness retainers to the LH valve cover and stud bolts.
    • Connect the 3 fuel injector electrical connectors.
    • Connect and attach the LH HO2S  electrical connector.
    • Connect the 2 VCT oil control solenoid electrical connectors.
    Fig 6: Locating LH Valve Cover Wiring Harness Connectors And Clamps
    G08028907Courtesy of FORD MOTOR CO.
  7. Position the ground wires to the engine front cover and the RH strut tower and install the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    Fig 7: Locating Ground Wires To Engine Front Cover Bolts
    G08028906Courtesy of FORD MOTOR CO.
  8. Install the oil level indicator.
    Fig 8: Identifying Oil Level Indicator
    G08028905Courtesy of FORD MOTOR CO.
  9. Install the LH ignition coils. REFER to IGNITION COIL-ON-PLUG - LH .
  10. Install the crankcase vent tube. REFER to QUICK CONNECT COUPLING .
    Fig 9: Locating Crankcase Vent Tube Connectors
    G08028904Courtesy of FORD MOTOR CO.
  11. Install the engine appearance cover.
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