SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2004FOCUS ZX3, 2.3 Z, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE - 2.3LIN-VEHICLE REPAIRVALVE COVERREMOVAL
2004 Ford Focus ZX3, 2.3 Z, Standard

Valve Cover: Removal

2004 Ford Focus ZX3, 2.3 Z, StandardSECTION Removal
  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  2. Disconnect the camshaft position (CMP) sensor electrical connector.
    Fig 1: Disconnecting Camshaft Position Sensor Electrical Connector
    G04035407Courtesy of FORD MOTOR CO.
  3. Position aside the cylinder head temperature (CHT) sensor boot.
    Fig 2: Positioning Aside Cylinder Head Temperature Sensor Boot
    G04035408Courtesy of FORD MOTOR CO.
  4. Disconnect the CHT sensor electrical connector.
    Fig 3: Disconnecting CHT Sensor Electrical Connector
    G04035409Courtesy of FORD MOTOR CO.
  5. Disconnect the coil-on-plug electrical connectors.
    Fig 4: Disconnecting Coil-On-Plug Electrical Connectors
    G04035410Courtesy of FORD MOTOR CO.
  6. Remove the ignition coils.
    1. Remove the ignition coil bolts.
    2. While rotating, pull the ignition coils straight up.
    Fig 5: Removing Ignition Coils
    G04035411Courtesy of FORD MOTOR CO.
  7. Disconnect the breather tube from the valve cover.
    Fig 6: Disconnecting Breather Tube From Valve Cover
    G04035412Courtesy of FORD MOTOR CO.
  8. Disconnect the wiring harness retainers from the valve cover studs and position aside.
    Fig 7: Disconnecting Wiring Harness Retainers From Valve Cover Studs
    G04035413Courtesy of FORD MOTOR CO.
  9. Detach the fuel injection supply manifold wiring harness from the valve cover.
    Fig 8: Detaching Fuel Injection Supply Manifold Wiring Harness From Valve Cover
    G04035414Courtesy of FORD MOTOR CO.
  10. Disconnect the fuel injector electrical connectors.
    Fig 9: Disconnecting Fuel Injector Electrical Connectors
    G04035415Courtesy of FORD MOTOR CO.
  11. Disconnect the fuel pressure regulator electrical connector and the vacuum hose.
    Fig 10: Disconnecting Fuel Pressure Regulator Electrical Connector And Vacuum Hose
    G04035416Courtesy of FORD MOTOR CO.
  12. Disconnect the upper HO2S electrical connector.
    Fig 11: Disconnecting Upper Ho2S Electrical Connector
    G04035417Courtesy of FORD MOTOR CO.
  13. Disconnect the wiring connector.
    • Remove the two wire connectors from the bracket.
    • Remove the bracket bolt and position it aside.
    Fig 12: Disconnecting Wiring Connector
    G04035418Courtesy of FORD MOTOR CO.
  14. Remove the bolts and the valve cover.
    Fig 13: Removing Bolts And Valve Cover
    G04035419Courtesy of FORD MOTOR CO.
    15. CAUTION: 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.
  15. Clean and inspect the sealing surfaces.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.