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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Engine Mechanical -3.5L Ti-VCT) >> Removal And Installation >> Camshaft >> Removal

Removal And Installation: Camshaft: Removal

WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Before beginning any service procedure, refer to SAFETY WARNINGS . Failure to follow this instruction may result in serious personal injury.
WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions 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 (A/C) 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. Remove the nut and disconnect the 2 battery feed cables from the positive battery terminal.
    G09085965
  8. Remove the retainer and the ground wire cable.
    G09085966
  9. Remove the retainer and the ground wire cable.
    G09085967
  10. Disconnect the engine wiring harness electrical connector.
    G09085968
  11. Remove the front wheels and tires. REFER to WHEEL AND TIRE .
  12. NOTE: RH shown in illustration, LH similar.

    Remove the 2 RH and 2 LH lower pin-type retainers from the engine splash shields and position the shields aside.

    G09085969
  13. Remove the accessory drive belt. REFER to ACCESSORY DRIVE BELT - 3.5L TI-VCT, 3.7L TI-VCT .
  14. Drain the cooling system. REFER to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
  15. Remove the nut and disconnect the A/C tube.
    • Discard the O-ring seal and gasket seal.
      G09085970
  16. Disconnect the A/C pressure switch electrical connector.
    G09085971
  17. Remove the nut and disconnect the A/C tube.
    • Discard the O-ring seal and gasket seal.
      G09085972
  18. Remove degas bottle. REFER to DEGAS BOTTLE .
  19. Disconnect the degas bottle coolant hose from the engine coolant tube.
    G09085973
  20. Disconnect the brake booster vacuum hose from the upper intake manifold.
    G09085974
  21. Disconnect the EVAP  tube and the fuel supply tube quick connect coupling. REFER to QUICK CONNECT COUPLING .
    G09085975
  22. Disconnect the 2 PCM  electrical connectors.
    G09085976
  23. Disconnect the engine harness electrical connector.
    • Detach the wiring harness retainer.
      G09085977
  24. Remove the engine wiring harness retainer from the bulkhead.
    • Push the wiring harness retainer tab in.
    • Slide the wiring harness up and out of the bulkhead.
      G09085978
  25. Remove the bolt and ground wire from the RH shock tower.
    G09085979
  26. Disconnect the upper radiator hose, lower radiator hose and 2 heater hoses from the thermostat housing.
    G09085980
  27. Disconnect the transaxle control cable from the control lever.
    G09085981
  28. Disconnect the transaxle control cable from the shift cable bracket.
    G09085982
  29. If equipped, detach the engine block heater harness.
  30. NOTE: Use a steering wheel holding device (such as Hunter® 28-75-1 or equivalent).

    Using a suitable holding device, hold the steering wheel in the straight-ahead position.

    G09085983
  31. Remove the 3 twist lock retainers and the underbody air duct.
    G09085984
  32. 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 , and CLOCKSPRING ADJUSTMENT .
    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
  33. Remove the exhaust Y-pipe. For additional information, refer to EXHAUST Y-PIPE - 3.5L TI-VCT .
  34. NOTE: Index-mark the driveshaft for installation.

    If equipped with All-Wheel Drive (AWD), remove and discard the 4 bolts and support the driveshaft with a length of mechanic's wire.

    G09085986
  35. Remove the drain plug and drain the engine oil.
    • Install the drain plug and tighten to 27 Nm (20 lb-ft).
      G09085987
  36. Remove and discard the engine oil filter.
    G09085988
  37. If equipped, disconnect the 2 PTU  cooler hoses. For additional infomation, refer to FUEL SYSTEM - GENERAL INFORMATION .
    G09085989
  38. If equipped, disconnect the oil cooler coolant hoses.
    G09085990
  39. If equipped, unlatch the cooler hose retainer latch and pry up on the oil cooler hose retainer to release the retainer and remove it from the subframe.
    G09085991
  40. Remove the 2 secondary latches from the transmission fluid cooler tubes at the transmission fluid cooler thermal bypass valve.
    G09085992
  41. Using 307-569, disconnect the transmission fluid cooler tubes from the transmission fluid cooler thermal bypass valve.
    G09085993
  42. NOTE: LH shown in illustration, RH similar.

    Remove the bolt and the wheel speed sensor.

    G09085994
  43. NOTE: LH shown in illustration, RH similar.

    Remove and discard the upper stabilizer link nut.

    G09085995
  44. NOTE: Do not allow the brake caliper to hang from the brake flexible hose or damage to the hose may occur.
    NOTE: LH shown in illustration, RH similar.

    Remove the brake caliper guide pin bolts and calipers.

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

    Remove the LH and RH halfshaft nuts.

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

    Separate the LH and RH halfshaft from the wheel hubs.

    G09085999
  48. 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
  49. Install the Adjustable Grip Arm from the powertrain lift table to the LH engine-to-transmission bolt hole.
    G09086001
  50. 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.
  51. NOTE: LH shown in illustration, 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
  52. Remove the 4 transmission support insulator-to-frame rail bolts.
    G09086003
  53. Remove the 3 nuts, the bolt and the transaxle support insulator assembly.
    G09086004
  54. Remove the 4 engine mount nuts, the 3 engine mount bolts and the engine mount.
    G09086005
  55. NOTE: RH shown in illustration, LH similar.

    Remove the subframe bracket-to-body bolts.

    G09086006
  56. NOTE: RH shown in illustration, LH similar.

    Remove the rear subframe bolts and the subframe brackets.

    G09086007
  57. NOTE: RH shown in illustration, LH similar.

    Remove the front subframe bolts.

    G09086008
  58. Lower the subframe and powertrain assembly from the vehicle.
  59. Remove the 3 bolts and the accessory drive belt tensioner.
    G09086009
  60. Remove the crankshaft front seal. Refer to CRANKSHAFT FRONT SEAL .
  61. Remove the crankcase vent tube. REFER to QUICK CONNECT COUPLING .
    G09086010
  62. NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.

    Disconnect the 3 LH coil-on-plug electrical connectors and remove the 3 bolts and the 3 LH coil-on-plugs.

    • Inspect the coil seals for rips, nicks or tears. Remove and discard any damaged coil seals.
      G09086011
  63. Remove the oil level indicator.
    G09086012
  64. Remove the ground wire bolt from the engine front cover.
    G09086013
  65. Remove the engine wiring harness from the LH valve cover.
    • Disconnect the 2 VCT  oil control solenoid electrical connectors.
    • Detach and disconnect the LH HO2S  electrical connector.
    • Disconnect the 3 fuel injector electrical connectors.
    • Detach the 11 wiring harness retainers from the LH valve cover and stud bolts and position the harness aside.
      G09086014
  66. 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
  67. 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).
      G09086016
  68. 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).
      G09086017
  69. Disconnect the EVAP  canister purge valve and throttle body electrical connectors.
    • Detach the wiring harness pin-type retainer.
      G09086018
  70. Disconnect the EVAP  vapor tube from the EVAP  canister purge valve. REFER to QUICK CONNECT COUPLING .
    • Detach the EVAP  vapor tube from the 2 retainers.
      G09086019
  71. Disconnect the crankcase ventilation hose from the upper intake manifold.
    G09086020
  72. Detach the 2 coolant tube retainers from the upper intake manifold.
    G09086021
  73. Remove the upper intake manifold support bracket bolt.
    G09086022
  74. 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
  75. NOTE: When removing the ignition coil-on-plugs, a slight twisting motion will break the seal and ease removal.

    Disconnect the 3 RH coil-on-plug electrical connectors and remove the 3 bolts and the 3 RH coil-on-plugs.

    • Inspect the coil seals for rips, nicks or tears. Remove and discard any damaged coil seals.
      G09086024
  76. Remove the PCV crankcase vent tube.
    G09086025
  77. Remove the engine wiring harness from the RH valve cover.
    • Disconnect the 2 VCT  oil control solenoid electrical connectors.
    • Detach and disconnect the RH CMS  electrical connector.
    • Disconnect the 3 fuel injector electrical connectors.
    • Disconnect the CHT  sensor wiring harness jumper electrical connector.
    • Detach the 9 wiring harness retainers from the RH valve cover and stud bolts and position the harness aside.
      G09086026
  78. 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
  79. 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).
      G09086028
  80. 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).
      G09086029
  81. NOTE: It may be necessary to use the floor jack and lower the engine slightly to gain enough access to remove the bolt.

    Remove the lower M10 engine front cover bolt.

    G09086030
  82. NOTE: It may be necessary to use the floor jack and raise the engine slightly to gain enough access to remove the bolts.

    Remove the 2 M10 engine front cover bolts.

    G09086031
  83. Remove the 22 M8 engine front cover bolts.
    G09086032
  84. Remove the M6 engine front cover bolt.
    G08621669
  85. Using a suitable pry tool, locate the 7 pry pads shown in illustration and pry the engine front cover loose and remove.
    G07927479
  86. Rotate the crankshaft clockwise and align the timing marks on the intake VCT  assemblies as shown in illustration.
    G08028991
  87. Remove the 3 bolts and the LH valve train oil tube.
    G08028992
  88. NOTE: The 303-1248 will hold the camshafts in the TDC  position.

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

    G08028993
  89. Remove the 3 bolts and the RH valve train oil tube.
    G08028994
  90. NOTE: The 303-1248 will hold the camshafts in the TDC  position.

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

    G08028995
  91. 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
  92. Mark the timing chain link that aligns with the timing mark on the RH intake VCT  assembly as shown in illustration.
    G08028997
  93. 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
  94. Remove the 2 bolts and the primary timing chain tensioner.
    G08028999
  95. Remove the primary timing chain tensioner arm.
    G08029000
  96. Remove the 2 bolts and the lower LH primary timing chain guide.
    G08029001
  97. 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
  98. 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
  99. Remove the primary timing chain.
    G08029004
  100. 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
  101. Remove and discard the 2 LH VCT  assembly bolts.
    G08029008
  102. Remove the 2 LH VCT  assemblies and secondary timing chain.
    • Remove the 303-1530.
      G08029009
  103. 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
  104. 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.

    G08622062
  105. 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.

    G08029010
  106. Remove and discard the 2 RH VCT  assembly bolts.
    G08029011
  107. Remove the 2 RH VCT  assemblies and secondary timing chain.
    • Remove the 303-1530.
      G08029012
  108. 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
  109. 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.

    G08622214
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