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Timing Drive Components: Removal

  1. Remove the engine front cover. For additional information, refer to ENGINE FRONT COVER .
  2. Remove the crankshaft sensor ring from the crankshaft.
    Fig 1: Crankshaft Sensor Ring
    G04583449Courtesy of FORD MOTOR CO.
  3. Position the crankshaft keyway at the 12 o'clock position.
    Fig 2: Positioning Crankshaft Keyway At 12 O'Clock Position
    G03919943Courtesy of FORD MOTOR CO.
    4. NOTE: If the camshaft lobes are not exactly positioned as shown, the crankshaft will require one full additional rotation to 12 o'clock.
    Fig 3: Positioning Camshaft Lobes
    G03919944Courtesy of FORD MOTOR CO.
  4. The No. 1 cylinder camshaft exhaust lobe must be coming up on the exhaust stroke. Verify by noting the position of the 2 intake camshaft lobes and the exhaust lobe on the No. 1 cylinder.
    5. CAUTION: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into the original locations.
    Fig 4: Locating RH Cylinder Head Camshaft Roller Followers And Bolts
    G03919945Courtesy of FORD MOTOR CO.
  5. Remove only the 3 camshaft roller followers shown in the illustration from the RH cylinder head.
    6. CAUTION: Do not allow the valve keepers to fall off the valve or the valve may drop into the cylinder.
    NOTE: It may be necessary to push the valve down while compressing the spring.
    Fig 5: Compressing Valve Spring With Special Tool
    G03919946Courtesy of FORD MOTOR CO.
  6. Using the special tool, remove the 3 designated camshaft roller followers in the previous step from the RH cylinder head.
    7. CAUTION: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into the original locations.
    Fig 6: Removing 3 Camshaft Roller Followers
    G03919947Courtesy of FORD MOTOR CO.
  7. Remove only the 3 camshaft roller followers shown in the illustration from the LH cylinder head.
    8. CAUTION: Do not allow the valve keepers to fall off the valve or the valve may drop into the cylinder.
    NOTE: It may be necessary to push the valve down while compressing the spring.
    Fig 7: Compressing Spring Using Special Tool
    G03919948Courtesy of FORD MOTOR CO.
  8. Using the special tool, remove the 3 designated camshaft roller followers in the previous step from the LH cylinder head.
    9. CAUTION: The crankshaft cannot be moved past the 6 o'clock position once set.
    Fig 8: Positioning Crankshaft Keyway
    G03919949Courtesy of FORD MOTOR CO.
  9. Rotate the crankshaft clockwise and position the crankshaft keyway at the 6 o'clock position.
    10. CAUTION: If one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner.
    Fig 9: Removing LH Timing Chain Tensioner & Tensioner Arm
    G03919950Courtesy of FORD MOTOR CO.
  10. Remove the bolts, the LH timing chain tensioner and tensioner arm.
    11. CAUTION: If one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner.
    Fig 10: Removing RH Timing Chain Tensioner & Tensioner Arm
    G03919951Courtesy of FORD MOTOR CO.
  11. Remove the bolts, the RH timing chain tensioner and tensioner arm.
  12. Remove the RH and LH timing chains and the crankshaft sprocket.
    • Remove the RH timing chain from the camshaft sprocket.
    • Remove the RH timing chain from the crankshaft sprocket.
    • Remove the LH timing chain from the camshaft sprocket.
    • Remove the LH timing chain and crankshaft sprocket.
    Fig 11: Removing Timing Chain
    G03919952Courtesy of FORD MOTOR CO.
    13. NOTE: RH shown, LH similar.
    Fig 12: Identifying Timing Chain Guide And Mounting Bolts
    G03919953Courtesy of FORD MOTOR CO.
  13. Remove the LH and RH timing chain guides.
    • Remove the bolts.
    • Remove both timing chain guides.
    14. CAUTION: Damage to the variable camshaft timing (VCT) phaser sprocket assembly will occur if mishandled or used as a lifting or leveraging device.
    CAUTION: Only use hand tools to remove the VCT phaser sprocket assembly or damage may occur to the camshaft or VCT phaser sprocket.
    Fig 13: Identifying VCT Phaser Sprocket Bolt And Holder Tool
    G03919954Courtesy of FORD MOTOR CO.
  14. Using the special tool, remove the bolt and the RH VCT phaser sprocket assembly.
    • Discard the VCT phaser sprocket bolt.
    15. CAUTION: Damage to the VCT phaser sprocket assembly will occur if mishandled or used as a lifting or leveraging device.
    CAUTION: Only use hand tools to remove the VCT phaser sprocket assembly or damage may occur to the camshaft or VCT phaser sprocket.
    Fig 14: Installing Special Tool (303-1046)
    G03919955Courtesy of FORD MOTOR CO.
  15. Using the special tool, remove the bolt and the LH VCT phaser sprocket assembly.
    • Discard the VCT phaser sprocket bolt.
    16. CAUTION: When removing the front thrust camshaft bearing cap, use care as the cap may be damaged from sideloading when removing the cam unequally in height from the bearing towers.
    NOTE: The camshaft bearing caps must be installed in their original locations. Record camshaft bearing cap locations.
    Fig 15: Identifying Camshaft Bearing Cap Bolt Loosening Sequences
    G03919956Courtesy of FORD MOTOR CO.
  16. Remove the bolts in the sequence shown and remove the RH cylinder head front camshaft bearing cap and then the remaining bearing caps.
  17. Clean and inspect the RH camshaft bearing caps.
    • The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
    Fig 16: Identifying Camshaft Front Thrust Bearing Cap Oil Metering Groove
    G03919957Courtesy of FORD MOTOR CO.
  18. Remove the RH camshaft.
    19. CAUTION: When removing the front thrust camshaft bearing cap, use care as the cap may be damaged from sideloading when removing the cam unequally in height from the bearing towers.
    NOTE: The camshaft bearing caps must be installed in their original locations. Record camshaft bearing cap locations.
    Fig 17: Identifying Camshaft Bearing Cap Bolt Loosening Sequences
    G03919956Courtesy of FORD MOTOR CO.
  19. Remove the bolts in the sequence shown and remove the LH cylinder head front camshaft bearing cap and then the remaining bearing caps.
  20. Clean and inspect the LH camshaft bearing caps.
    • The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
    Fig 18: Identifying Camshaft Front Thrust Bearing Cap Oil Metering Groove
    G03919957Courtesy of FORD MOTOR CO.
  21. Remove the LH camshaft.
    22. CAUTION: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into the original locations.
  22. Remove all of the remaining camshaft roller followers from the cylinder heads.
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