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Timing Drive Components: Installation

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  1. Install the RH timing chain guide and bolt.
    • Tighten to 10 Nm (89 lb-in).
      Fig 1: Locating RH Timing Chain Guide And Bolt
      G07998806Courtesy of FORD MOTOR CO.
    2. NOTE: It is necessary to tilt the Camshaft Holding Tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.
  2. Install the RH secondary timing chain tensioner and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
      Fig 2: Locating RH Secondary Timing Chain Tensioner Bolts
      G07998807Courtesy of FORD MOTOR CO.
  3. Assemble the RH VCT assembly, the RH exhaust camshaft sprocket and the RH secondary timing chain.
    • Align the colored links with the timing marks.
      Fig 3: Aligning Colored Links With Timing Marks
      G07998808Courtesy of FORD MOTOR CO.
  4. Position the RH secondary timing assembly onto the camshafts.
    Fig 4: Locating RH Secondary Timing Assembly And Camshafts
    G07998809Courtesy of FORD MOTOR CO.
  5. Install the new VCT bolt and new exhaust camshaft bolt and the original washer. Tighten in 4 stages.
    • Stage 1: Tighten to 40 Nm (30 lb-ft).
    • Stage 2: Loosen one full turn.
    • Stage 3: Tighten to 10 Nm (89 lb-in).
    • Stage 4: Tighten 90 degrees.
      Fig 5: Locating VCT Assembly Bolt And RH Exhaust Camshaft Sprocket Bolt
      G07998810Courtesy of FORD MOTOR CO.
  6. Remove the lockpin from the RH secondary timing chain tensioner.
    Fig 6: Locating RH Secondary Timing Chain Tensioner Lockpin
    G07998811Courtesy of FORD MOTOR CO.
    7. NOTE: It is necessary to tilt the Camshaft Holding Tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.
  7. Install the LH secondary timing chain tensioner and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
      Fig 7: Locating LH Secondary Timing Chain Tensioner Bolts
      G07998812Courtesy of FORD MOTOR CO.
  8. Assemble the LH VCT assembly, the LH exhaust camshaft sprocket and the LH secondary timing chain.
    • Align the colored links with the timing marks.
      Fig 8: Locating Colored Links With Timing Marks
      G07998813Courtesy of FORD MOTOR CO.
  9. Position the LH secondary timing assembly onto the camshafts.
    Fig 9: Locating LH Secondary Timing Assembly And Camshafts
    G07998814Courtesy of FORD MOTOR CO.
  10. Install the new VCT bolt and new exhaust camshaft bolt and the original washer. Tighten in 4 stages.
    • Stage 1: Tighten to 40 Nm (30 lb-ft).
    • Stage 2: Loosen one full turn.
    • Stage 3: Tighten to 10 Nm (89 lb-in).
    • Stage 4: Tighten 90 degrees.
      Fig 10: Locating VCT Bolt And Exhaust Camshaft Bolt
      G07998815Courtesy of FORD MOTOR CO.
  11. Remove the lockpin from the LH secondary timing chain tensioner.
    Fig 11: Locating LH Secondary Timing Chain Tensioner Lockpin
    G07998816Courtesy of FORD MOTOR CO.
  12. Install the crankshaft timing chain sprocket.
    Fig 12: Locating Crankshaft Timing Chain Sprocket
    G07998817Courtesy of FORD MOTOR CO.
  13. Install the upper LH primary timing chain guide and the bolt.
    • Tighten to 10 Nm (89 lb-in).
      Fig 13: Locating Bolt And Upper LH Primary Timing Chain Guide
      G07998818Courtesy of FORD MOTOR CO.
    14. NOTE: The crankshaft sprocket timing mark should be between the 2 colored links.
    Fig 14: Locating Primary Timing Chain Colored Links With Timing Marks On VCT Assemblies And Crankshaft Sprocket
    G07998819Courtesy of FORD MOTOR CO.
  14. Install the primary timing chain with the colored links aligned with the timing marks on the VCT assemblies and the crankshaft sprocket.
  15. Install the lower LH primary timing chain guide and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
      Fig 15: Locating Bolts And Lower LH Primary Timing Chain Guide
      G07998820Courtesy of FORD MOTOR CO.
  16. Install the primary timing chain tensioner arm.
    Fig 16: Locating Primary Timing Chain Tensioner Arm
    G07998821Courtesy of FORD MOTOR CO.
  17. Reset the primary timing chain tensioner.
    1. Release the ratchet detent.
    2. Using a soft-jawed vise, compress the ratchet plunger.
    3. Align the hole in the ratchet plunger with the hole in the tensioner housing and install a suitable lockpin.
      Fig 17: Compressing Ratchet Plunger Using Soft-Jawed Vise
      G07998822Courtesy of FORD MOTOR CO.
    18. NOTE: It may be necessary to rotate the crankshaft slightly to remove slack from the timing chain and install the tensioner.
  18. Install the primary tensioner and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    • Remove the lockpin.
      Fig 18: Locating Primary Tensioner And Bolts
      G07998823Courtesy of FORD MOTOR CO.
  19. As a post-check, verify correct alignment of all timing marks.
    • There are 48 links between the RH intake VCT assembly colored link (1) and the LH intake VCT assembly colored link (2).
    • There are 35 links between the LH intake VCT assembly colored link (2) and the 2 crankshaft sprockets colored links (3).
      Fig 19: Locating Primary Timing Chain Colored Links With Timing Marks On VCT Assemblies And Crankshaft Sprocket
      G07998824Courtesy of FORD MOTOR CO.
  20. Inspect the VCT housing seals for damage and replace as necessary.
    Fig 20: Locating VCT Housing Seals
    G07998825Courtesy of FORD MOTOR CO.
    21. NOTE: RH shown in illustration, LH similar.
    NOTE: During removal, the O-ring seal may remain on the cylinder head. If so, remove the O-ring seal from the cylinder head, inspect the seal (replace as necessary) and install the O-ring seal on the VCT housing.
    Fig 21: Identifying LH VCT Housing Bolts Tightening Sequence
    G07998826Courtesy of FORD MOTOR CO.
  21. Inspect the VCT housing-to-cylinder head O-ring seals for damage and replace as necessary.
    22. NOTE: Make sure the dowels on the Variable Camshaft Timing (VCT) housing are fully engaged in the cylinder head prior to tightening the bolts. Failure to follow this process will result in severe engine damage.
  22. Install the LH VCT housing and the 3 bolts.
    • Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
      Fig 22: Identifying LH VCT Housing Bolts Tightening Sequence
      G07998827Courtesy of FORD MOTOR CO.
    23. NOTE: Make sure the dowels on the Variable Camshaft Timing (VCT) housing are fully engaged in the cylinder head prior to tightening the bolts. Failure to follow this process will result in severe engine damage.
  23. Install the RH VCT housing and the 3 bolts.
    • Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
      Fig 23: Identifying RH VCT Housing Bolts Tightening Sequence
      G07998828Courtesy of FORD MOTOR CO.
  24. Install the engine front cover. For additional information, refer to ENGINE FRONT COVER  .
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