LEMON Manuals: Even more car manuals for everyone
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 >> Camshaft >> Removal

Removal And Installation: Camshaft: Removal

WARNING: Before beginning any service procedure, refer to SAFETY WARNINGS . Failure to follow this instruction may result in serious personal injury.
  1. With the vehicle in NEUTRAL, position it on a hoist. REFER to JACKING AND LIFTING , Lifting Points.
  2. Recover the A/C system. REFER to AIR CONDITIONING (AC) SYSTEM RECOVERY, EVACUATION, AND CHARGING .
  3. Remove the cowl panel. REFER to COWL PANEL .
  4. Release the fuel system pressure. REFER to FUEL SYSTEM PRESSURE RELEASE .
  5. Remove the engine ACL  assembly and ACL  outlet pipe. REFER to INTAKE AIR SYSTEM COMPONENTS - EXPLODED VIEW .
  6. Remove the battery tray. REFER to BATTERY AND BATTERY TRAY - EXPLODED VIEW .
  7. Disconnect the engine wiring harness electrical connector.
    Fig 1: Identifying Engine Wiring Harness Electrical Connector
    G07417704Courtesy of FORD MOTOR CO.
  8. Remove the nut from the ground wire attached to the body.
    Fig 2: Locating Ground Wire Mounting Nut
    G07417705Courtesy of FORD MOTOR CO.
  9. Remove the stud bolt from the ground wire attached to the body.
    Fig 3: Locating Ground Wire Mounting Stud Bolt
    G07417706Courtesy of FORD MOTOR CO.
  10. Remove the nut and disconnect the 2 battery feed cables from the positive battery terminal.
    G09085965
  11. Remove the front wheels and tires. REFER to WHEEL AND TIRE .
  12. Remove the 2 lower scrivets from the Right Front (RF) fender splash shield.
    Fig 4: Locating Right Front Fender Splash Shield Lower Scrivets
    G07417728Courtesy of FORD MOTOR CO.
  13. Remove the 2 lower scrivets from the Left Front (LF) fender splash shield.
    Fig 5: Locating Left Front Fender Splash Shield Mounting Lower Scrivets
    G07417729Courtesy of FORD MOTOR CO.
  14. Remove the accessory drive belt. REFER to ACCESSORY DRIVE BELT - 3.5L TI-VCT .
  15. Drain the cooling system. REFER to COOLING SYSTEM DRAINING, FILLING AND BLEEDING - 3.5L TI-VCT .
  16. Remove the nut and disconnect the A/C tube.
    • Discard the O-ring seal and gasket seal.
      G09085970
  17. Disconnect the A/C pressure switch electrical connector.
    G09085971
  18. Remove the nut and disconnect the A/C tube.
    • Discard the O-ring seal and gasket seal.
      G09085972
  19. Remove degas bottle. REFER to DEGAS BOTTLE .
  20. Disconnect the degas bottle coolant hose from the engine coolant tube.
    G09085973
  21. Disconnect the brake booster vacuum hose from the upper intake manifold.
    G09085974
  22. Disconnect the EVAP  tube and the fuel supply tube quick connect coupling. REFER to QUICK CONNECT COUPLING .
    G09085975
  23. Disconnect the engine harness electrical connector.
    Fig 6: Locating Engine Harness Electrical Connector
    G07417716Courtesy of FORD MOTOR CO.
  24. Detach the wiring harness retainer.
    Fig 7: Locating Wiring Harness Retainer
    G07417717Courtesy of FORD MOTOR CO.
  25. Disconnect the 2 Powertrain Control Module (PCM) electrical connectors.
    Fig 8: Locating Powertrain Control Module Electrical Connectors
    G07417718Courtesy of FORD MOTOR CO.
  26. Remove the engine wiring harness retainer from the bulkhead.
    1. Push the wiring harness retainer tab in.
    2. Slide the wiring harness up and out of the bulkhead.
      Fig 9: Identifying Wiring Harness Retainer Tab In And Wiring Harness Up And Out Of Bulkhead
      G07417719Courtesy of FORD MOTOR CO.
  27. Remove the bolt and ground wire from the RH shock tower.
    G09085979
  28. Disconnect the upper radiator hose, lower radiator hose and 2 heater hoses from the thermostat housing.
    Fig 10: Locating Upper Radiator Hose, Lower Radiator Hose And Heater Hoses
    G07417722Courtesy of FORD MOTOR CO.
  29. Disconnect the transaxle control cable from the control lever.
    Fig 11: Locating Selector Lever Cable End
    G07417723Courtesy of FORD MOTOR CO.
  30. Disconnect the transaxle control cable from the shift cable bracket.
    Fig 12: Locating Shift Cable Bracket And Wiring Harness Pin-Type Retainer
    G07417724Courtesy of FORD MOTOR CO.
  31. If equipped, detach the engine block heater harness.
    32. NOTE: Use a steering wheel holding device (such as Hunter® 28-75-1 or equivalent).
    Fig 13: Holding Steering Wheel
    G07417727Courtesy of FORD MOTOR CO.
  32. Using a suitable holding device, hold the steering wheel in the straight-ahead position.
  33. Remove the 3 twist lock retainers and the underbody air duct.
    G09085984
  34. NOTE: Do not allow the intermediate shaft to rotate while it is disconnected from the gear or damage to the clockspring may occur. If there is evidence that the intermediate shaft has rotated, the clockspring must be removed and recentered. For additional information, refer to CLOCKSPRING .
    NOTE: Index-mark the steering column shaft position to the steering gear for reference during installation.

    Remove the bolt and disconnect the steering column shaft from the steering gear.

    • Discard the bolt.
      G09085985
  35. Remove the exhaust Y-pipe. For additional information, refer to EXHAUST Y-PIPE .
    36. NOTE: Index-mark the driveshaft for installation.
    Fig 14: Locating Driveshaft Bolts
    G07417733Courtesy of FORD MOTOR CO.
  36. If equipped with All-Wheel Drive (AWD), remove and discard the 4 bolts and support the driveshaft with a length of mechanic's wire.
  37. Remove the drain plug and drain the engine oil.
    1. Install the drain plug and tighten to 27 Nm (20 lb-ft)  .
      Fig 15: Locating Drain Plug
      G07417734Courtesy of FORD MOTOR CO.
  38. Remove and discard the engine oil filter.
    Fig 16: Locating Engine Oil Filter
    G07417735Courtesy of FORD MOTOR CO.
  39. If equipped, disconnect the oil cooler coolant hoses.
    G09085990
  40. If equipped, detach the oil cooler hose support clip from the subframe.
    Fig 17: Locating Oil Cooler Hose Support Clip
    G07417736Courtesy of FORD MOTOR CO.
  41. Remove the 2 secondary latches from the transmission fluid cooler tubes at the transmission fluid cooler thermal bypass valve.
    G09085992
  42. Using 307-569, disconnect the transmission fluid cooler tubes from the transmission fluid cooler thermal bypass valve.
    G09085993
  43. NOTE: LH shown, RH similar.

    Remove the bolt and the wheel speed sensor.

    G09085994
    44. NOTE: LH shown, RH similar.
    Fig 18: Locating Upper Stabilizer Link Nuts
    G07417738Courtesy of FORD MOTOR CO.
  44. Remove and discard the upper stabilizer link nuts.
  45. NOTE: Do not allow the brake caliper to hang from the brake flexible hose or damage to the hose may occur.
    NOTE: LH shown, RH similar.

    Remove the brake caliper guide pin bolts and calipers.

    • Support the calipers.
      G09085996
  46. NOTE: LH shown, RH similar.

    Using a wax pencil, mark the relationship of the front and rear subframe to the underbody at the mounting locations on both side.

    G09085997
  47. NOTE: LH shown, RH similar.

    Remove the LH and RH halfshaft nuts.

    • Do not discard at this time.
      G09085998
  48. NOTE: LH shown, RH similar.

    Separate the LH and RH halfshaft from the wheel hubs.

    G09085999
  49. Position a 2 x 6 board, 36 in (914.4 mm) in length and two 2 x 6 boards 24 in (609.6 mm) in length onto the powertrain lift.
    • Position the powertrain lift table with:
      • the long board towards the rear of the subframe.
      • the short boards under the engine and transmission.
        G09086000
  50. Install the Adjustable Grip Arm from the powertrain lift table to the LH engine-to-transmission bolt hole.
    G09086001
  51. Install a ratchet strap from the front of the subframe under the powertrain lift table to the rear of the subframe, to secure the subframe to the powertrain lift table.
  52. NOTE: LH shown, RH similar.
    NOTE: The halfshafts are not being remove from the transmission.

    Remove the strut-to-wheel knuckle nuts and bolts.

    • Remove the strut from the wheel knuckle and the halfshafts from the wheel knuckle.
      G09086002
  53. Remove the 4 transmission support insulator-to-frame rail bolts.
    G09086003
  54. Remove the 3 nuts, the bolt and the transaxle support insulator assembly.
    G09086004
  55. Remove the 4 engine mount nuts, the 3 engine mount bolts and the engine mount.
    G09086005
  56. NOTE: RH shown, LH similar.

    Remove the subframe bracket-to-body bolts.

    G07417746Courtesy of FORD MOTOR CO.
  57. NOTE: RH shown, LH similar.

    Remove the rear subframe bolts and the subframe brackets.

    G09086007
  58. NOTE: RH shown, LH similar.

    Remove the front subframe bolts.

    G07417748
  59. Lower the subframe and powertrain assembly from the vehicle.
  60. Remove the drive belt tensioner.
    G09086009
  61. Remove the crankshaft front seal. Refer to Crankshaft Front Seal .
  62. Remove the crankcase vent tube. REFER to QUICK CONNECT COUPLING .
    G09086010
  63. Disconnect the 3 LH ignition coil electrical connectors.
    Fig 19: Locating Left Hand Ignition Coil Electrical Connectors
    G07417768Courtesy of FORD MOTOR CO.
  64. Remove the 3 bolts and the LH ignition coils.
    Fig 20: Locating Left Hand Ignition Coils
    G07417769Courtesy of FORD MOTOR CO.
  65. Remove the oil level indicator.
    G09086012
  66. Detach the 3 wiring harness retainers from the Left Hand (LH) valve cover stud bolts and position the harness aside.
    Fig 21: Locating Left Hand Valve Cover Stud Bolts
    G07417771Courtesy of FORD MOTOR CO.
  67. Disconnect the 2 Variable Camshaft Timing (VCT) oil control solenoid electrical connectors and detach the 2 oil control solenoid wiring harness pin-type retainers (1 shownin illustration).
    Fig 22: Locating Variable Camshaft Timing Oil Control Solenoid Electrical Connectors
    G07417772Courtesy of FORD MOTOR CO.
  68. Detach the 2 wiring harness pin-type retainers.
    Fig 23: Locating Wiring Harness Pin-Type Retainers
    G07417773Courtesy of FORD MOTOR CO.
  69. Disconnect the Left Hand (LH) Heated Oxygen Sensor (HO2S) electrical connector and detach the wiring harness connector pin-type retainer from the Left Hand (LH) valve cover.
    Fig 24: Locating Heated Oxygen Sensor Electrical Connector
    G07417774Courtesy of FORD MOTOR CO.
  70. Disconnect the 3 fuel injector electrical connectors and detach the 2 wiring harness retainers from the Left Hand (LH) valve cover stud bolts.
    Fig 25: Locating Fuel Injector Electrical Connectors And Wiring Harness Retainers
    G07417775Courtesy of FORD MOTOR CO.
    71. NOTE: Coolant hose removed from graphic for clarity.
    Fig 26: Detaching Wiring Harness Retainer
    G07417776Courtesy of FORD MOTOR CO.
  71. Detach the wiring harness retainer and position the harness aside.
  72. NOTE: When removing valve cover do not apply excessive force to the VCT  oil control solenoid.
    NOTE: If the VCT  solenoid seal sticks to the VCT  oil control solenoid, then carefully wiggle the valve cover until the bond breaks free.
    NOTE: The plastic electrical connector on the VCT  oil control solenoid will rotate approximately 12 degrees inside the steel housing, which is normal.

    Loosen the 4 bolts and 7 stud bolts and remove the LH valve cover.

    • Discard the gasket.
      G09086015
  73. Inspect the 2 VCT  solenoid seals. Remove any damaged seals.
    • Using 205-142 T80T-4000-J and 205-153 T80T-4000-W remove and discard the damaged seal(s).
      G07417778
  74. Inspect the spark plug tube seals. Remove any damaged seals.
    • Using 303-1247/1 and 205-153 T80T-4000-W remove and discard the damaged seal(s).
      G07417779
  75. Disconnect the Evaporative Emission (EVAP) canister vent solenoid and throttle body electrical connectors.
    1. Detach the 2 wiring harness pin-type retainers.
      Fig 27: Locating Wiring Harness Pin-Type Retainers
      G07417780Courtesy of FORD MOTOR CO.
  76. Disconnect the Evaporative Emission (EVAP) vapor tube from the Evaporative Emission (EVAP) canister vent solenoid and position aside. REFER to QUICK CONNECT COUPLING .
    Fig 28: Locating Evaporative Emission Canister Vent Solenoid
    G07417781Courtesy of FORD MOTOR CO.
  77. Detach the 2 coolant tube retainers from the upper intake manifold.
    G09086021
  78. Disconnect the crankcase ventilation hose from the PCV valve. REFER to QUICK CONNECT COUPLING .
    Fig 29: Locating Crankcase Ventilation Hose
    G07417783Courtesy of FORD MOTOR CO.
  79. Remove the upper intake manifold support bracket bolt.
    G09086022
  80. Remove the 7 bolts and the upper intake manifold.
    • Remove and discard the gasket.
    • Clean and inspect all of the sealing surfaces of the upper and lower intake manifold.
      G09086023
  81. Disconnect the 3 RH ignition coil electrical connectors.
    Fig 30: Locating Ignition Coil Electrical Connectors
    G07417786Courtesy of FORD MOTOR CO.
  82. Remove the 3 bolts and the RH ignition coils.
    Fig 31: Locating Right Hand Ignition Coil Electrical Connectors Mounting Bolts
    G07417787Courtesy of FORD MOTOR CO.
  83. Disconnect the Heated Oxygen Sensor (HO2S) electrical connector and detach the wiring harness retainer from the RH valve cover.
    Fig 32: Locating Heated Oxygen Sensor Electrical Connector
    G07417788Courtesy of FORD MOTOR CO.
  84. Detach the 3 wire harness retainers from the main engine wiring harness on the RH valve cover.
    Fig 33: Locating Wire Harness Retainers
    G07417789Courtesy of FORD MOTOR CO.
  85. Disconnect the 2 VCT oil control solenoid electrical connectors and detach the 2 wiring harness retainers.
    Fig 34: Locating Variable Camshaft Timing Oil Control Solenoid Electrical Connectors And Wiring Harness Retainers
    G07417790Courtesy of FORD MOTOR CO.
  86. Disconnect the 3 fuel injector electrical connectors and detach the 2 wiring harness retainers from the Right Hand (RH) valve cover stud bolts.
    Fig 35: Locating Fuel Injector Electrical Connectors And Wiring Harness Retainers
    G07417791Courtesy of FORD MOTOR CO.
  87. Detach the wiring harness retainer.
    Fig 36: Locating Wiring Harness Retainer
    G07417792Courtesy of FORD MOTOR CO.
  88. NOTE: When removing valve cover do not apply excessive force to the VCT  oil control solenoid.
    NOTE: If the VCT  solenoid seal sticks to the VCT  oil control solenoid, then carefully wiggle the valve cover until the bond breaks free.
    NOTE: The plastic electrical connector on the VCT  oil control solenoid will rotate approximately 12 degrees inside the steel housing, which is normal.

    Loosen the 11 retainers and remove the RH valve cover.

    • Discard the gasket.
      G09086027
  89. Inspect the 2 VCT  solenoid seals. Remove any damaged seals.
    • Using 205-142 T80T-4000-J and 205-153 T80T-4000-W remove and discard the damaged seal(s).
      G07417794
  90. Inspect the spark plug tube seals. Remove any damaged seals.
    • Using 303-1247/1 and 205-153 T80T-4000-W remove and discard the damaged seal(s).
      G07417795

  91. Remove the lower M10 engine front cover bolt.

    G09086030

  92. Remove the 2 M10 engine front cover bolts.

    G09086031
  93. Remove the 22 M8 engine front cover bolts.
    G09086032
  94. Remove the M6 engine front cover bolt.
    G08621669
  95. Using a suitable pry tool, locate the 7 pry pads shown in illustration and pry the engine front cover loose and remove.
    G07927479
  96. Rotate the crankshaft clockwise and align the timing marks on the intake VCT  assemblies as shown in illustration.
    G08028991
  97. Remove the 3 bolts and the LH valve train oil tube.
    G07417802
  98. NOTE: The 303-1248 will hold the camshafts in the TDC  position.

    Install 303-1248 onto the flats of the LH camshafts.

    G07417803
  99. Remove the 3 bolts and the RH valve train oil tube.
    G07417804
  100. NOTE: The 303-1248 will hold the camshafts in the TDC  position.

    Install 303-1248 onto the flats of the RH camshafts.

    G07417805
  101. 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.

    G08028996
  102. Mark the timing chain link that aligns with the timing mark on the RH intake VCT  assembly as shown in illustration.
    G08028997
  103. 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.

    G08028998
  104. Remove the 2 bolts and the primary timing chain tensioner.
    G08028999
  105. Remove the primary timing chain tensioner arm.
    G08029000
  106. Remove the 2 bolts and the lower LH primary timing chain guide.
    G08029001
  107. 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.

    G08029002
  108. 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.

    G08029003
  109. Remove the primary timing chain.
    G08029004
  110. NOTE: The following steps are to remove the LH camshafts.
    NOTE: The 2 VCT  oil control solenoids are removed for clarity.
    NOTE: The 303-1530 is inserted through a hole in the top of the mega cap.

    Compress the LH secondary timing chain tensioner and install the 303-1530 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.

    G08029007
  111. Remove and discard the 2 LH VCT  assembly bolts.
    G08029008
  112. Remove the 2 LH VCT  assemblies and secondary timing chain.
    • Remove the 303-1530.
      G08029009
  113. NOTE: When the 303-1248 is removed, valve spring pressure may rotate the LH camshafts approximately 3 degrees to a neutral position.

    Remove the 303-1248 from the LH camshafts.

    G08028993
  114. NOTE: Cylinder head camshaft bearing caps are numbered to verify that they are assembled in their original positions.
    NOTE: Mark the exhaust and intake camshafts for installation into their original locations.

    Remove the 12 bolts, 6 camshaft caps, mega cap and the LH camshafts.

    G07417819
  115. NOTE: The following steps are to remove the RH camshafts.
    NOTE: The 2 VCT  oil control solenoids are removed for clarity.
    NOTE: The 303-1530 is inserted through a hole in the top of the mega cap.

    Compress the RH secondary timing chain tensioner and install the 303-1530 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.

    G07417820
  116. Remove and discard the 2 RH VCT  assembly bolts.
    G08029011
  117. Remove the 2 RH VCT  assemblies and secondary timing chain.
    • Remove the 303-1530.
      G08029012
  118. NOTE: When the 303-1248 is removed, valve spring pressure may rotate the RH camshafts approximately 3 degrees to a neutral position.

    Remove the 303-1248 from the RH camshafts.

    G08028995
  119. NOTE: Cylinder head camshaft bearing caps are numbered to verify that they are assembled in their original positions.
    NOTE: Mark the exhaust and intake camshafts for installation into their original locations.

    Remove the 12 bolts, 6 camshaft caps, mega cap and the RH camshafts.

    G07417824
scientia non olet · About LEMON Manuals