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Timing Drive Components: Installation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Failure to verify correct timing drive component alignment will result in severe engine damage.
    Fig 1: Locating Crankshaft Sprocket With Timing Mark
    G06389308Courtesy of FORD MOTOR CO.
  1. Install the crankshaft sprocket with the timing mark facing out. The timing mark on the LH and RH timing chains will be aligned to this mark during assembly.
    2. NOTE: LH shown, RH similar.
    Fig 2: Locating Chain Tensioner
    G06389309Courtesy of FORD MOTOR CO.
  2. Position the chain tensioner in a soft-jawed vise.
    3. NOTE: LH shown, RH similar.
    Fig 3: Locating Ratchet Stem With Small Pick
    G06389310Courtesy of FORD MOTOR CO.
  3. Hold the chain tensioner ratchet lock mechanism away from the ratchet stem with a small pick.
    4. NOTE: During tensioner compression, do not release the ratchet stem until the tensioner piston is fully bottomed in its bore or damage to the ratchet stem will result.
  4. Slowly compress the timing chain tensioner.
  5. Retain the tensioner piston with a 1.5 mm (0.06 in) diameter wire or paper clip.
    Fig 4: Identifying Tensioner Piston With Paper Clip
    G06389311Courtesy of FORD MOTOR CO.
  6. If timing marks in the timing chains are not evident, use a permanent-type marker to mark the crankshaft and camshaft timing marks on the LH and RH timing chains.
    1. Mark any link to use as the crankshaft timing mark.
    2. Starting with the crankshaft timing mark, count 29 links and mark the link.
    3. Continue counting to link 42 and mark the link.
      Fig 5: Identifying Crankshaft And Camshaft Timing Marks On Timing Chains
      G06389312Courtesy of FORD MOTOR CO.
  7. Position the LH timing chain and guide and install the bolts.
    • Tighten to 25 Nm (18 lb-ft).
    • Align the marks on the timing chain with the marks on the camshaft and crankshaft sprockets.
      Fig 6: Locating Bolts And LH Timing Chain Guide
      G06389313Courtesy of FORD MOTOR CO.
  8. Install the LH timing chain tensioner arm and the LH timing chain tensioner.
    1. Install the tensioner arm.
    2. Position the tensioner.
    3. Install the bolts.
      • Tighten to 25 Nm (18 lb-ft).
        Fig 7: Identifying Tensioner Arm And Bolts
        G06389314Courtesy of FORD MOTOR CO.
  9. Install the crankshaft pulley bolt and rotate the crankshaft clockwise 120 degrees until the crankshaft keyway is in the 3 o'clock position.
    Fig 8: Locating Crankshaft Keyway
    G06389315Courtesy of FORD MOTOR CO.
  10. Verify that the RH camshafts are correctly positioned.
    Fig 9: Locating RH Camshafts Marks
    G06389316Courtesy of FORD MOTOR CO.
  11. Install the RH timing chain and chain guide and install the bolts.
    • Tighten to 25 Nm (18 lb-ft).
    • Align the marks on the timing chain with the marks on the camshaft and crankshaft sprockets.
      Fig 10: Locating Bolts And RH Timing Chain Guide
      G06389317Courtesy of FORD MOTOR CO.
  12. Install the RH timing chain tensioner and tensioner arm.
    1. Install the tensioner arm.
    2. Position the tensioner.
    3. Install the bolts.
      • Tighten to 25 Nm (18 lb-ft).
        Fig 11: Identifying Tensioner Arm And Bolts
        G06389318Courtesy of FORD MOTOR CO.
  13. Remove the LH and RH timing chain tensioner piston retaining wires.
  14. Rotate the crankshaft counterclockwise 120 degrees to TDC  .
    15. NOTE: Failure to verify correct timing drive component alignment will result in severe engine damage.
  15. Verify the timing with the following steps.
    1. There should be 12 chain links between the camshaft timing marks.
    2. There should be 27 chain links between the camshaft and the crankshaft timing marks.
    3. There should be 30 chain links between the camshaft and the crankshaft timing marks.
      Fig 12: Locating Chain Links Marks
      G06389319Courtesy of FORD MOTOR CO.
  16. Remove the crankshaft pulley bolt and washer.
    Fig 13: Locating Crankshaft Pulley Bolt And Washer
    G06389320Courtesy of FORD MOTOR CO.
    17. NOTE: This pulse wheel is used in several different engines. Install the pulse wheel with the keyway in the slot stamped "30RFF" only (orange in color).
    Fig 14: Locating Ignition Pulse Wheel
    G06389321Courtesy of FORD MOTOR CO.
  17. Install the ignition pulse wheel.
  18. Install the LH and RH spark plugs. For additional information, refer to SPARK PLUGS .
  19. Install the engine front cover. For additional information, refer to ENGINE FRONT COVER .
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