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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 >> Timing Drive Components >> Removal

Timing Drive Components: Removal

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. Remove the engine front cover. REFER to Engine Front Cover .
  2. Rotate the crankshaft clockwise and align the timing marks on the intake VCT assemblies as shown in illustration.
    Fig 1: Locating Timing Marks On Intake VCT Assemblies
    G08028991Courtesy of FORD MOTOR CO.
  3. Remove the 3 bolts and the LH valve train oil tube.
    Fig 2: Locating LH Valve Train Oil Tube Mounting Bolts
    G08028992Courtesy of FORD MOTOR CO.
  4. NOTE: The Camshaft Holding Tool will hold the camshafts in the TDC position.

    Install the Camshaft Holding Tool onto the flats of the LH camshafts.

    Fig 3: Installing Camshaft Holding Tool Onto Flats Of LH Camshafts
    G08028993Courtesy of FORD MOTOR CO.
  5. Remove the 3 bolts and the RH valve train oil tube.
    Fig 4: Locating RH Valve Train Oil Tube Mounting Bolts
    G08028994Courtesy of FORD MOTOR CO.
  6. NOTE: The Camshaft Holding Tool will hold the camshafts in the TDC position.

    Install the Camshaft Holding Tool onto the flats of the RH camshafts.

    Fig 5: Installing Camshaft Holding Tool Onto Flats Of RH Camshafts
    G08028995Courtesy of FORD MOTOR CO.
  7. NOTE: The following 3 steps are for primary timing chains that the colored links are not visible.

    Mark the timing chain link that aligns with the timing mark on the LH intake VCT assembly as shown in illustration.

    Fig 6: Locating LH Intake VCT Assembly Timing Mark
    G08028996Courtesy of FORD MOTOR CO.
  8. Mark the timing chain link that aligns with the timing mark on the RH intake VCT assembly as shown in illustration.
    Fig 7: Locating RH Intake VCT Assembly Timing Mark
    G08028997Courtesy of FORD MOTOR CO.
  9. NOTE: The crankshaft sprocket timing mark should be between the 2 colored links.

    Mark the 2 timing chain links that align with the timing mark on the crankshaft sprocket as shown in illustration.

    Fig 8: Locating Crankshaft Sprocket Timing Mark
    G08028998Courtesy of FORD MOTOR CO.
  10. Remove the 2 bolts and the primary timing chain tensioner.
    Fig 9: Locating Primary Timing Chain Tensioner Mounting Bolts
    G08028999Courtesy of FORD MOTOR CO.
  11. Remove the primary timing chain tensioner arm.
    Fig 10: Locating Primary Timing Chain Tensioner Arm
    G08029000Courtesy of FORD MOTOR CO.
  12. Remove the 2 bolts and the lower LH primary timing chain guide.
    Fig 11: Locating Lower LH Primary Timing Chain Guide Mounting Bolts
    G08029001Courtesy of FORD MOTOR CO.
  13. NOTE: Removal of the VCT oil control solenoid will aid in the removal of the primary timing chain.
    NOTE: A slight twisting motion will aid in the removal of the VCT oil control solenoid.
    NOTE: Keep the VCT oil control solenoid clean of dirt and debris.

    Remove the bolt and the LH intake VCT oil control solenoid.

    Fig 12: Locating LH Intake VCT Oil Control Solenoid Mounting Bolt
    G08029002Courtesy of FORD MOTOR CO.
  14. NOTE: Removal of the VCT oil control solenoid will aid in the removal of the primary timing chain.
    NOTE: A slight twisting motion will aid in the removal of the VCT oil control solenoid.
    NOTE: Keep the VCT oil control solenoid clean of dirt and debris.

    Remove the bolt and the RH intake VCT oil control solenoid.

    Fig 13: Locating RH Intake VCT Oil Control Solenoid Mounting Bolt
    G08029003Courtesy of FORD MOTOR CO.
  15. Remove the primary timing chain.
    Fig 14: Identifying Primary Timing Chain
    G08029004Courtesy of FORD MOTOR CO.
  16. Remove the crankshaft timing chain sprocket.
    Fig 15: Identifying Crankshaft Timing Chain Sprocket
    G08029005Courtesy of FORD MOTOR CO.
  17. NOTE: Do not use power tools to remove the bolt or damage to the LH primary timing chain guide may occur.

    Remove the bolt and the upper LH primary timing chain guide

    Fig 16: Locating Upper LH Primary Timing Chain Guide Mounting Bolts
    G08029006Courtesy of FORD MOTOR CO.
  18. NOTE: The 2 VCT oil control solenoids are removed for clarity.
    NOTE: The Secondary Chain Hold Down is inserted through a hole in the top of the mega cap.

    Compress the LH secondary timing chain tensioner and install the Secondary Chain Hold Down in the hole on the rear of the secondary timing chain tensioner guide and let it hold against the mega cap to retain the tensioner in the collapsed position.

    Fig 17: Compressing LH Secondary Timing Chain Tensioner
    G08029007Courtesy of FORD MOTOR CO.
  19. Remove and discard the 2 LH VCT assembly bolts.
    Fig 18: Locating LH VCT Assembly Bolts
    G08029008Courtesy of FORD MOTOR CO.
  20. Remove the 2 LH VCT assemblies and secondary timing chain.
    Fig 19: Identifying LH VCT Assemblies And Secondary Timing Chain
    G08029009Courtesy of FORD MOTOR CO.
  21. NOTE: The 2 VCT oil control solenoids are removed for clarity.
    NOTE: The Secondary Chain Hold Down is inserted through a hole in the top of the mega cap.

    Compress the RH secondary timing chain tensioner and install the Secondary Chain Hold Down in the hole on the rear of the secondary timing chain tensioner guide and let it hold against the mega cap to retain the tensioner in the collapsed position.

    Fig 20: Compressing RH Secondary Timing Chain Tensioner
    G08029010Courtesy of FORD MOTOR CO.
  22. Remove and discard the 2 RH VCT assembly bolts.
    Fig 21: Locating RH VCT Assembly Bolts
    G08029011Courtesy of FORD MOTOR CO.
  23. Remove the 2 RH VCT assemblies and secondary timing chain.
    Fig 22: Identifying RH VCT Assemblies And Secondary Timing Chain
    G08029012Courtesy of FORD MOTOR CO.
  24. NOTE: Do not use power tools to remove the bolt or damage to the RH primary timing chain guide may occur.

    Remove the bolt and the RH primary timing chain guide.

    Fig 23: Locating RH Primary Timing Chain Guide Mounting Bolt
    G08029013Courtesy of FORD MOTOR CO.
  25. NOTE: The following steps are only for the replacement of the secondary timing chain tensioners. Do not reuse the secondary timing chain tensioners if removed, or damage to the engine may occur.

    For replacement of the secondary timing chain tensioner, perform the following 6 steps.

  26. NOTE: A slight twisting motion will aid in the removal of the VCT oil control solenoid.
    NOTE: Keep the VCT oil control solenoid clean of dirt and debris.

    Remove the LH exhaust VCT oil control solenoid.

    Fig 24: Locating LH Exhaust VCT Oil Control Solenoid Mounting Bolt
    G08029014Courtesy of FORD MOTOR CO.
  27. Remove the LH secondary timing chain tensioner shoe.
    Fig 25: Identifying LH Secondary Timing Chain Tensioner Shoe
    G08029015Courtesy of FORD MOTOR CO.
  28. Remove the LH secondary timing chain tensioner by pushing up from the bottom and remove.
    Fig 26: Removing LH Secondary Timing Chain Tensioner
    G08029016Courtesy of FORD MOTOR CO.
  29. NOTE: A slight twisting motion will aid in the removal of the VCT oil control solenoid.
    NOTE: Keep the VCT oil control solenoid clean of dirt and debris.

    Remove the RH exhaust VCT oil control solenoid.

    Fig 27: Locating RH Exhaust VCT Oil Control Solenoid Mounting Bolts
    G08029017Courtesy of FORD MOTOR CO.
  30. Remove the RH secondary timing chain tensioner shoe.
    Fig 28: Identifying RH Secondary Timing Chain Tensioner Shoe
    G08029018Courtesy of FORD MOTOR CO.
  31. Remove the RH secondary timing chain tensioner by pushing up from the bottom and remove.
    Fig 29: Removing RH Secondary Timing Chain Tensioner
    G08029019Courtesy of FORD MOTOR CO.